List of shipwrecks in April 1917

The list of shipwrecks in April 1917 includes ships sunk, foundered, grounded, or otherwise lost during April 1917.

April 1917
Mon	Tue	Wed	Thu	Fri	Sat	Sun
Unknown date						1
2	3	4	5	6	7	8
9	10	11	12	13	14	15
16	17	18	19	20	21	22
23	24	25	26	27	28	29
30

1 April

List of shipwrecks: 1 April 1917

Ship	Country	Description
Aztec	United States	World War I: The cargo ship was sunk in the Atlantic Ocean off Ouessant, Finistère, France (48°20′N 6°00′W / 48.333°N 6.000°W) by SM U-46 ( Kaiserliche Marine) with the loss of 28 crew.[1]
Bergenhus	Denmark	World War I: The passenger ship was sunk in the North Sea 130 nautical miles (240 km) east of the Farne Islands, Northumberland, United Kingdom by SM UC-40 ( Kaiserliche Marine).There were no casualties.[2]
Camilla	Norway	World War I: The cargo ship was sunk in the North Sea 150 nautical miles (280 km) west of Skudesnes, Rogaland (56°32′N 3°59′E / 56.533°N 3.983°E) by SM UB-35 ( Kaiserliche Marine) with the loss of eight of her crew.[3]
Consul Persson	Norway	World War I: The cargo ship was sunk in the North Sea (58°21′N 2°55′E / 58.350°N 2.917°E) by SM U-54 ( Kaiserliche Marine). Her crew survived.[4]
Eastern Belle	United Kingdom	World War I: The ketch was scuttled in the English Channel 30 nautical miles (56 km) south west of St. Catherine's Point, Isle of Wight by SM UC-72 ( Kaiserliche Marine). Her crew survived.[5]
Endymion	United Kingdom	World War I: The ketch was shelled and sunk in the English Channel off Start Point, Devon by SM UB-32 ( Kaiserliche Marine) with the loss of four crew.[6]
Ester	Denmark	World War I: The cargo ship was sunk in the North Sea (56°32′N 4°18′E / 56.533°N 4.300°E) by SM UB-35 ( Kaiserliche Marine). Her crew survived.[7]
Fjelland	Norway	World War I: The coaster was sunk in the North Sea 50 nautical miles (93 km) south west by west of Utsire, Rogaland (58°20′N 5°50′E / 58.333°N 5.833°E) by SM U-54 ( Kaiserliche Marine) with the loss of a crew member.[8]
Jolie Brise	France	World War I: The fishing vessel was sunk in the Atlantic Ocean 20 nautical miles (37 km) off Audierne, Finistère by SM UB-36 ( Kaiserliche Marine).[9]
Kasenga	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 2 nautical miles (3.7 km) off Cape Palos, Spain by an enemy submarine.[10]
Maria Santissima D. Grazie	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea off Sicily by SM U-65 ( Kaiserliche Marine).[11]
Maria T.	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea off Sicily by SM U-65 ( Kaiserliche Marine).[12]
Providence de Dieu	France	World War I: The fishing vessel was sunk in the Atlantic Ocean 20 nautical miles (37 km) off Audierne by SM UB-36 ( Kaiserliche Marine).[13]
Silvia	United Kingdom	World War I: The schooner was scuttled in the English Channel 15 nautical miles (28 km) south south east of the Owers Lightship ( United Kingdom) (50°19′N 0°28′W / 50.317°N 0.467°W) by SM UB-39 ( Kaiserliche Marine). Her crew survived.[14]
Warren	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Tyrrhenian Sea 20 nautical miles (37 km) south west of Civitavecchia, Lazio, Italy (41°51′N 11°22′E / 41.850°N 11.367°E) by SM UC-38 ( Kaiserliche Marine) with the loss of three of her crew. Her captain was taken as a prisoner of war.[10][15]
Zambesi	United Kingdom	World War I: The collier was torpedoed and sunk in the Mediterranean Sea 15 nautical miles (28 km) north by west of Alexandria, Egypt (31°26′N 29°49′E / 31.433°N 29.817°E) by SM U-63 ( Kaiserliche Marine) with the loss of three crew.[10][16][17]

2 April

List of shipwrecks: 2 April 1917

Ship	Country	Description
Britannia	United Kingdom	World War I: The cargo ship torpedoed and was sunk in the Mediterranean Sea 22 nautical miles (41 km) west north west of Pantelleria, Italy (36°35′N 11°28′E / 36.583°N 11.467°E) by SM U-65 ( Kaiserliche Marine). Her crew survived, but two of them were taken as prisoners of war.[10][18]
HMT Commandant	Royal Navy	World War I: The naval trawler struck a mine and sank in the North Sea off the Sunk Lightship ( United Kingdom) (51°33′N 1°36′E / 51.550°N 1.600°E) with the loss of five of her crew.[19]
Filicudi	Regia Marina	World War I: The naval tug struck a mine and sank in the Mediterranean Sea off Trapani, Sicily.[20]
Havlyst	Norway	World War I: The coaster was sunk in the North Sea off Lindesnes, Vest-Agder (57°30′N 6°50′E / 57.500°N 6.833°E) by SM U-54 ( Kaiserliche Marine). Her crew survived.[21]
Lord Scarborough	United Kingdom	World War I: The trawler was sunk in the North Sea 100 nautical miles (190 km) east of the Isle of May, Fife by SM UB-35 ( Kaiserliche Marine). Her crew survived.[22]
Saggita	Norway	World War I: The barque was sunk in the North Sea (60°00′N 2°00′W / 60.000°N 2.000°W) by SM U-78 ( Kaiserliche Marine). Her crew survived.[23]
Snespurven	Norway	World War I: The barque was shelled and sunk in the Atlantic Ocean 25 nautical miles (46 km) south south west of the Tuskar Rock, Ireland (50°55′N 7°03′W / 50.917°N 7.050°W) by SM U-59 ( Kaiserliche Marine). Her crew survived.[24]
Zealandia	United States	The ship ran aground off Southport, Lancashire, United Kingdom.[25]

3 April

List of shipwrecks: 3 April 1917

Ship	Country	Description
Annunziata A.	Italy	World War I: The brigantine was scuttled in the Mediterranean Sea east of Sardinia (39°52′N 10°04′E / 39.867°N 10.067°E) by SM UC-38 ( Kaiserliche Marine).[26]
Ardgask	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 15 nautical miles (28 km) south west of Cape Rosello, Sicily by SM U-35 ( Kaiserliche Marine) with the loss of a crew member.[10][27]
Caterina R.	Italy	World War I: The barquentine was scuttled in the Mediterranean Sea east of Sicily (39°27′N 9°46′E / 39.450°N 9.767°E) by SM UC-38 ( Kaiserliche Marine).[28]
Domenico	Italy	World War I: The sailing vessel was scuttled in the Mediterranean Sea east of Sardinia (39°24′N 9°55′E / 39.400°N 9.917°E) by SM UC-38 ( Kaiserliche Marine).[29]
Ellen James	United Kingdom	World War I: The schooner was shelled and sunk in the Atlantic Ocean west of Ouessant, Finistère, France by SM UC-71 ( Kaiserliche Marine) with the loss of five of her crew.[10][30]
Ernest Simons	France	World War I: The passenger ship was sunk in the Mediterranean Sea north east of Cap Sera, Algeria (37°08′N 8°28′E / 37.133°N 8.467°E) by SM UC-37 ( Kaiserliche Marine). Her crew survived.[31]
Hesperus	Russia	World War I: The cargo ship was sunk in the Atlantic Ocean 72 nautical miles (133 km) off the Bishop Rock, Isles of Scilly, United Kingdom (48°50′N 7°20′W / 48.833°N 7.333°W) by SM U-46 ( Kaiserliche Marine). Her crew survived.[32]
Maria Ferrara	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea west of Sicily by SM U-65 ( Kaiserliche Marine).[33]
Nuova Maria di Porto Salvo	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea east of Sicily by SM UC-38 ( Kaiserliche Marine).[34]
Saint Simon	France	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 20 nautical miles (37 km) north west of La Galite, Tunisia (37°36′N 8°38′E / 37.600°N 8.633°E) by SM UC-37 ( Kaiserliche Marine).[35]
Vasilefs Constantinos	Greece	World War I: The cargo ship was sunk in the Aegean Sea 45 nautical miles (83 km) south west of Akra Akritas by SM UB-43 ( Kaiserliche Marine).[36]

4 April

List of shipwrecks: 4 April 1917

Ship	Country	Description
City of Paris	United Kingdom	World War I: The passenger ship was torpedoed and sunk in the Mediterranean Sea 46 nautical miles (85 km) south by east of Cap d'Antibes, Alpes-Maritimes, France (42°54′N 7°38′E / 42.900°N 7.633°E) by SM UC-35 ( Kaiserliche Marine) with the loss of 122 lives.[10][37]
Domingo	Italy	World War I: The cargo ship was sunk in the Atlantic Ocean off Queenstown, County Cork, United Kingdom by SM U-60 ( Kaiserliche Marine).[38]
Gibraltar	United Kingdom	World War I: The trawler was scuttled in the North Sea 20 nautical miles (37 km) east north east of Rattray Head, Aberdeenshire by SM UB-35 ( Kaiserliche Marine). Her crew survived.[39][40]
Hundvaagø	Norway	World War I: The cargo ship was torpedoed and damaged in the Atlantic Ocean south west of Ireland. She was beached at Castletownbere, County Cork. Subsequently repaired and returned to service.[41]
Hunstanton	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 36 nautical miles (67 km) west of the Isles of Scilly (49°50′N 7°40′W / 49.833°N 7.667°W) by SM UC-30 ( Kaiserliche Marine). Her crew survived.[42]
Maggie Ross	United Kingdom	World War I: The trawler was shelled and sunk in the North Sea 60 nautical miles (110 km) north east of Girdle Ness, Aberdeenshire by SM UB-35 ( Kaiserliche Marine). Her crew survived.[40][43]
Margit	United Kingdom	World War I: The collier was torpedoed and sunk in the Mediterranean Sea 80 nautical miles (150 km) south west of Cape Matapan, Greece (35°28′N 21°24′E / 35.467°N 21.400°E) by SM U-63 ( Kaiserliche Marine). Her crew survived.[10][16][44]
Marguerite	United States	World War I: The four-masted schooner was damaged in the Mediterranean Sea 35 nautical miles (65 km) south west of Sardinia by SM U-35 ( Kaiserliche Marine). She sank the next day; her crew survived.[45]
Missourian	United States	World War I: The cargo ship was sunk in the Tyrrhenian Sea off Porto Maurizio, Liguria, Italy by SM U-52 ( Kaiserliche Marine). Her crew survived.[46]
Monte Protedigo	Argentina	World War I: The barquentine was sunk in the Atlantic Ocean off the Isles of Scilly (49°27′N 6°44′W / 49.450°N 6.733°W) by SM UC-30 ( Kaiserliche Marine).[47]
Parana	Brazil	World War I: The cargo ship was sunk in the English Channel off Barfleur, Manche, France by SM UB-32 ( Kaiserliche Marine). Her crew survived.[48]
Parkgate	United Kingdom	World War I: The cargo ship was scuttled in the Mediterranean Sea 80 nautical miles (150 km) north east of the Cap de Fer, Algeria (38°12′N 8°10′E / 38.200°N 8.167°E) by SM U-35 ( Kaiserliche Marine) with the loss of sixteen crew. Her captain was taken as a prisoner of war.[49]
Penseiro	Italy	World War I: The cargo ship was scuttled in the Atlantic Ocean 40 nautical miles (74 km) west of the Isles of Scilly by SM UC-71 ( Kaiserliche Marine). Her crew survived.[50]
Ravenna	Italy	World War I: The passenger ship was sunk in the Tyrrhenian Sea 2 nautical miles (3.7 km) off Cape Mele, Liguria (44°00′N 8°28′E / 44.000°N 8.467°E) by SM U-52 ( Kaiserliche Marine).[51]
San Giovanni Battiste	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea by SM UC-37 ( Kaiserliche Marine).[52]
Trevier	Belgium	World War I: The cargo ship was torpedoed, shelled and sunk in the North Sea off Scheveningen, South Holland, Netherlands (52°15′N 3°49′E / 52.250°N 3.817°E) by SM UB-23 ( Kaiserliche Marine).[53][54]
Vladimir Reitz	Denmark	World War I: The cargo ship was sunk in the Atlantic Ocean 40 nautical miles (74 km) north west by north of Foula, Shetland Islands, United Kingdom by SM U-78 ( Kaiserliche Marine) with the loss of two crew.[55]

5 April

List of shipwrecks: 5 April 1917

Ship	Country	Description
Amiral L'Hermite	France	World War I: The schooner was scuttled in the Atlantic Ocean 60 nautical miles (110 km) west north west of the Blasket Islands, County Kerry, United Kingdom by SM U-59 ( Kaiserliche Marine).[56]
Angel Marina	Italy	World War I: The sailing vessel was scuttled in the Ligurian Sea (43°16′N 7°10′E / 43.267°N 7.167°E) by SM U-52 ( Kaiserliche Marine).[57]
Benheather	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 110 nautical miles (200 km) west north west of the Fastnet Rock (51°20′N 12°30′W / 51.333°N 12.500°W) by SM U-46 ( Kaiserliche Marine). Her crew survived.[58]
Bris	Denmark	World War I: The schooner was sunk in the Atlantic Ocean 20 nautical miles (37 km) north of the Butt of Lewis, Outer Hebrides, United Kingdom by SM U-78 ( Kaiserliche Marine) with the loss of two of her crew.[59]
Calliope	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Tyrrhenian Sea 35 nautical miles (65 km) south west of Ustica, Italy (38°22′N 11°25′E / 38.367°N 11.417°E) by SM U-65 ( Kaiserliche Marine) with the loss of six lives. Three survivors were taken as prisoners of war.[60]
Canadian	United Kingdom	World War I: The passenger ship was torpedoed and sunk in the Atlantic Ocean 47 nautical miles (87 km) north west of the Fastnet Rock (51°36′N 10°48′W / 51.600°N 10.800°W) by SM U-59 ( Kaiserliche Marine) with the loss of a crew member.[61]
Dicto	Norway	World War I: The cargo ship was sunk in the Atlantic Ocean south east of the Armen Rock by SM UB-39 ( Kaiserliche Marine) with the loss of a crew member.[62]
Dunkerquois	France	World War I: The schooner was sunk in the Atlantic Ocean 45 nautical miles (83 km) off the Blasket Islands by SM U-86 ( Kaiserliche Marine).[63]
Ebenezer	Denmark	World War I: The three-masted schooner was shelled and sunk in the Atlantic Ocean 10 nautical miles (19 km) south west of St. Kilda, United Kingdom (57°58′N 8°20′W / 57.967°N 8.333°W) by SM U-57 ( Kaiserliche Marine). Her crew survived.[64][65]
Ernest Legouve	France	World War I: The barque was torpedoed and sunk in the English Channel 5 nautical miles (9.3 km) west by south of St. Catherine's Point, Isle of Wight, United Kingdom (50°30′N 1°26′W / 50.500°N 1.433°W) by SM UB-32 ( Kaiserliche Marine) with the loss of twenty of her 24 crew.[66]
Gower Coast	United Kingdom	World War I: The coaster struck a mine and sank in the English Channel off Le Tréport, Seine-Maritime, France with the loss of all fifteen crew.[67]
Marie Celine	France	World War I: The schooner was sunk in the Atlantic Ocean south west of Ireland by SM U-86 ( Kaiserliche Marine).[68]
N. J. Fjord	Denmark	World War I: The cargo ship was scuttled in the North Sea 40 nautical miles (74 km) east north east of Coquet Island, Northumberland, United Kingdom. Her crew survived.[69]
Roland	France	World War I: The sailing vessel was sunk in the Atlantic Ocean 80 nautical miles (150 km) west north west of the Blasket Islands by SM U-59 ( Kaiserliche Marine).[70]
San Fulgencio	Spain	World War I: The cargo ship was sunk in the Bay of Biscay off Sables d'Olonne, Vendée, France by SM UC-71 ( Kaiserliche Marine).[71]
Siberier	Belgium	World War I: The cargo ship was torpedoed and damaged in the Atlantic Ocean 40 nautical miles (74 km) west of the Fastnet Rock (52°18′N 11°40′W / 52.300°N 11.667°W) by SM U-86 ( Kaiserliche Marine). She was taken in tow but sank the next day.[72][73]
Solstad	Norway	World War I: The cargo ship was sunk in the Ionian Sea north west of Cythera, Greece (36°02′N 20°50′E / 36.033°N 20.833°E) by SM U-63 ( Kaiserliche Marine). Her crew survived.[74]
Vilja	Norway	World War I: The cargo ship was torpedoed and sunk in the Atlantic OCean 135 nautical miles (250 km) west of the Fastnet Rock (52°12′N 13°07′W / 52.200°N 13.117°W) by SM U-55 ( Kaiserliche Marine) with the loss of a crew member.[75]

6 April

List of shipwrecks: 6 April 1917

Ship	Country	Description
Cybele	France	World War I: The sailing vessel was sunk in the Mediterranean Sea of Cabo de Gata, Almeria, Spain by SM UC-25 ( Kaiserliche Marine).[76]
Kongshaug	Norway	World War I: The coaster was captured and scuttled in the North Sea 45 nautical miles (83 km) north of Kinnaird Head, Aberdeenshire, United Kingdom by SM UB-35 ( Kaiserliche Marine). Her crew were rescued by a Scottish fishing vessel.[77]
La Tour d'Auvergne	France	World War I: The brig was shelled and set on fire in the Atlantic Ocean 15 nautical miles (28 km) south south east of the Longships Lighthouse by SM UB-39 ( Kaiserliche Marine). She was towed to Mullion, Cornwall, United Kingdom but was declared a constructive total loss. Her crew survived.[78]
Lord Kitchener	United Kingdom	World War I: The trawler was scuttled in the North Sea 45 nautical miles (83 km) north by east of Kinnaird Head by SM UB-35 ( Kaiserliche Marine). Her crew survived.[40][79]
Marion	Norway	World War I: The barque was shelled and sunk in the Atlantic Ocean (52°10′N 13°46′W / 52.167°N 13.767°W) by SM U-60 ( Kaiserliche Marine) with the loss of a crew member.[80]
Narberth Castle	United Kingdom	World War I: The trawler was shelled and sunk in the North Sea 30 nautical miles (56 km) north north west of Dennis Head Old Beacon, North Ronaldsay, Orkney Islands by SM UC-27 ( Kaiserliche Marine). Her crew survived.[81]
Nestor	United Kingdom	World War I: The trawler was shelled and sunk in the North Sea 20 nautical miles (37 km) north west by north of North Ronaldsay by SM UC-27 ( Kaiserliche Marine). Her crew survived.[82]
Perce Neige	France	World War I: The schooner was sunk in the Atlantic Ocean off Lands End, Cornwall, United Kingdom by SM UB-39 ( Kaiserliche Marine).[83]
Powhatan	United Kingdom	World War I: The tanker was torpedoed and sunk in the Atlantic Ocean 25 nautical miles (46 km) north by west of North Rona (59°32′N 6°30′W / 59.533°N 6.500°W) by SM U-66 ( Kaiserliche Marine) with the loss of 36 crew. Her captain was taken as a prisoner of war.[10][84]
Presto	United Kingdom	World War I: The cargo ship struck a mine and sank in the North Sea 4 nautical miles (7.4 km) east of Roker Point, Sunderland, County Durham (54°57′N 1°16′W / 54.950°N 1.267°W) with the loss of six of her crew.[85]
Rahmanich	Egypt	World War I: The ship was sunk in the Mediterranean Sea off the coast of Egypt by SM UC-34 ( Kaiserliche Marine).[86]
Recto	United Kingdom	World War I: The trawler was scuttled in the North Sea 45 nautical miles (83 km) north by east of Kinnaird Head by SM UB-35 ( Kaiserliche Marine). Her crew survived.[40][87]
Rosalind	United Kingdom	World War I: The tanker was torpedoed and sunk in the Atlantic Ocean 180 nautical miles (330 km) west north west of the Fastnet Rock (51°39′N 14°20′W / 51.650°N 14.333°W) by SM U-86 ( Kaiserliche Marine) with the loss of two of her crew.[88]
Spithead	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 12 nautical miles (22 km) north by west of the Damietta Lighthouse, Egypt (31°44′N 31°46′E / 31.733°N 31.767°E) by SM UC-34 ( Kaiserliche Marine) with the loss of a crew member.[10][89]
HMT Strathrannoch	Royal Navy	World War I: The naval trawler struck a mine and sank in the North Sea off St. Abb's Head, Berwickshire (55°55′N 2°07′W / 55.917°N 2.117°W) with the loss of all thirteen crew.[90]
Thelma	Norway	World War I: The cargo ship struck a mine and sank in the English Channel 4 nautical miles (7.4 km) south by west of the Owers Lightship ( United Kingdom) by SM UC-65 ( Kaiserliche Marine) with the loss of a crew member.[91]
Vine Branch	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean south west of Ireland (49°45′N 14°08′W / 49.750°N 14.133°W) by SM U-55 ( Kaiserliche Marine) with the loss of all 44 crew.[92]

7 April

List of shipwrecks: 7 April 1917

Ship	Country	Description
Caminha	Portugal	World War I: The cargo ship was sunk in the Bay of Biscay 30 nautical miles (56 km) south south west of Cape Ferrat (45°22′N 2°48′W / 45.367°N 2.800°W) by gunfire from UC-71 ( Kaiserliche Marine).[93][94]
SMS Cormoran	Kaiserliche Marine	World War I: The merchant raider was scuttled at Guam with the loss of nine crew.
Edwin R. Hunt	United States	World War I: The schooner was sunk in the Mediterranean Sea 40 nautical miles (74 km) off Cabo de Gata, Almeria, Spain by SM UC-25 ( Kaiserliche Marine). Her crew survived.[95]
Fiskaa	Norway	World War I: The barque was sunk in the Atlantic Ocean 10 nautical miles (19 km) off St. Kilda, United Kingdom by SM U-46 ( Kaiserliche Marine). Her crew survived.[96]
HMS Jason	Royal Navy	World War I: The minesweeper struck a mine and sank off Coll, Inner Hebrides (56°35′45″N 6°28′15″W / 56.59583°N 6.47083°W) with the loss of 25 crew.[97]
Lapland	United Kingdom	World War I: The passenger ship struck a mine off the Liverpool Bar Lightship ( United Kingdom) and was damaged. She was later repaired and returned to service.[72]
Maplewood	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 47 nautical miles (87 km) south west of Cape Sperone, Sardinia, Italy by SM U-35 ( Kaiserliche Marine). Her crew survived.[10][98]
Salmo	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 210 nautical miles (390 km) north west of the Fastnet Rock (52°30′N 14°40′W / 52.500°N 14.667°W) by SM U-60 ( Kaiserliche Marine) with the loss of two crew.[99]
Seward	United States	World War I: The cargo ship was shelled and sunk in the Mediterranean Sea 22 nautical miles (41 km) north east of Begur, Spain (42°42′N 3°41′E / 42.700°N 3.683°E) by SM U-52 ( Kaiserliche Marine). Her crew survived.[100]
Trefusis	United Kingdom	World War I: The collier was scuttled in the Mediterranean Sea 30 nautical miles (56 km) south east of Cape Pula, Sardinia (38°38′N 9°25′E / 38.633°N 9.417°E) by SM U-65 ( Kaiserliche Marine). Her crew survived, but three survivors were taken as prisoners of war.[16][101]

8 April

List of shipwrecks: 8 April 1917

Ship	Country	Description
Alba	Italy	World War I: The cargo ship was sunk in the Mediterranean Sea 3 nautical miles (5.6 km) off Garraf, Catalonia, Spain (41°05′N 1°53′E / 41.083°N 1.883°E) by SM U-52 ( Kaiserliche Marine).[102]
SMS G88	Kaiserliche Marine	World War I: The V25-class destroyer was torpedoed and sunk in the North Sea by a Royal Navy Coastal Motor Boat.[103]
Geilan Bahri	United Kingdom	World War I: The sailing vessel was scuttled in the Mediterranean Sea 54 nautical miles (100 km) off Alexandria, Egypt by SM UC-34 ( Kaiserliche Marine).[10][104]
Livatho	Greece	World War I: The cargo ship was sunk in the Mediterranean Sea north west of Crete (36°24′N 20°56′E / 36.400°N 20.933°E) by SM UB-47 ( Kaiserliche Marine). Her crew survived.[105]
Lucia	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea off Cape Pula, Sardinia by SM U-65 ( Kaiserliche Marine).[106]
Nestos	Greece	World War I: The cargo ship was sunk in the Mediterranean Sea 50 nautical miles (93 km) west south west of Sapientza (36°27′N 20°59′E / 36.450°N 20.983°E) by SM UB-47 ( Kaiserliche Marine).[107]
Papa Gian Battista	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea off Cape Pula, Sardinia by SM U-65 ( Kaiserliche Marine).[108]
Petridge	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 200 nautical miles (370 km) west north west of Ouessant, Finistère, France (48°14′N 10°10′W / 48.233°N 10.167°W) by SM U-55 ( Kaiserliche Marine). Her crew survived, but two of them were taken as prisoners of war.[109]
Torrington	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic OCean 150 nautical miles (280 km) south west of the Isles of Scilly by SM U-55 ( Kaiserliche Marine) with the loss of 34 crew. Her captain was taken as a prisoner of war.[110]
Umvoti	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic OCean 200 nautical miles (370 km) west north west of Ouessant (48°48′N 10°15′W / 48.800°N 10.250°W) by SM U-55 ( Kaiserliche Marine) with the loss of four crew. Two survivors were taken as prisoners of war.[10][111]

9 April

List of shipwrecks: 9 April 1917

Ship	Country	Description
Avon	United Kingdom	World War I: The passenger ship struck a mine and sank in the Thames Estuary 2.5 nautical miles (4.6 km) south east by south of the Tongue Lightship ( United Kingdom) (51°29′00″N 1°26′30″E / 51.48333°N 1.44167°E) with the loss of two lives.[112]
Cairnie	United Kingdom	The coaster dragged her anchors, collided with another vessel and sank. Her crew were rescued.[113]
Esterel	France	World War I: The cargo shipb was sunk in the Mediterranean Sea off Port-Vendres, Pyrénées-Orientales (42°39′N 3°30′E / 42.650°N 3.500°E) by SM U-52 ( Kaiserliche Marine).[114]
Fremad I		( Norway): World War I: The barque was sunk in the North Sea 200 nautical miles (370 km) off Lindesnes, Vest-Agder (58°47′N 0°52′E / 58.783°N 0.867°E) by SM U-59 ( Kaiserliche Marine). Her crew survived.[115]
Ganslei	Russia	World War I: The cargo ship was sunk in Kola Bay (69°19′N 33°31′E / 69.317°N 33.517°E) by SM U-75 ( Kaiserliche Marine).[116]
Kittiwake	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the North Sea 25 nautical miles (46 km) north west of the Maas Lightship ( Netherlands) (52°15′N 3°18′E / 52.250°N 3.300°E) by SM UB-30 ( Kaiserliche Marine) with the loss of seven crew.[117]
HMT Ortho	Royal Navy	World War I: The naval trawler struck a mine and sank in the North Sea off Lowestoft, Suffolk (52°23′00″N 1°52′30″E / 52.38333°N 1.87500°E) with the loss of a crew member.[118]
Saint Maudez	France	World War I: The sailing vessel was sunk in the English Channel 10 nautical miles (19 km) north north west of Fécamp, Seine-Maritime by SM UB-39 ( Kaiserliche Marine).[119]
Themistoclis	Greece	World War I: The cargo ship was sunk in the Atlantic Ocean 100 nautical miles (190 km) off Pointe Saint-Mathieu, Finistère, France by SM UC-71 ( Kaiserliche Marine).[120]
Valhall	Norway	World War I: The cargo ship was sunk in the Atlantic Ocean 30 nautical miles (56 km) north of the Pierres Noires, Finistère by SM UC-71 ( Kaiserliche Marine). Her crew survived.[121]

10 April

List of shipwrecks: 10 April 1917

Ship	Country	Description
Abd Razid	Tunisia	World War I: The sailing vessel was sunk in the Mediterranean Sea off Tripoli, Libya by SM UC-20 ( Kaiserliche Marine).[122]
Dalton	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea off Cape Matapan, Greece (36°00′N 22°40′E / 36.000°N 22.667°E) by SM U-28 ( Austro-Hungarian Navy). Her crew survived.[10][123]
HMS P26	Royal Navy	World War I: The P-class sloop struck a mine and sank in the English Channel off Le Havre, Seine-Maritime, France with the loss of nineteen of her 59crew. Survivors were rescued by HMS P19 ( Royal Navy[124][125]
Pluto	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the North Sea 32 nautical miles (59 km) south east by east of Lowestoft, Suffolk (52°19′N 2°34′E / 52.317°N 2.567°E) by SM UB-20 ( Kaiserliche Marine). Her crew survived.[10][126]
Porto di Rodi	Italy	World War I: The cargo ship was sunk in the Ionian Sea 37°53′N 18°02′E / 37.883°N 18.033°E) SM U-32 ( Kaiserliche Marine) with the loss of 31 crew.[127]
Ranvik	Norway	World War I: The cargo ship was sunk in the Atlantic Ocean 45 nautical miles (83 km) west south west of Ouessant, Finistère, France by SM UC-71 ( Kaiserliche Marine). Her crew survived.[128]
HMHS Salta	Royal Navy	(Red Cross): World War I: The hospital ship struck a mine and sank at Le Havre with the loss of 130 of the 205 people on board.

11 April

List of shipwrecks: 11 April 1917

Ship	Country	Description
HMT Amy	Royal Navy	World War I: The naval trawler struck a mine and sank in the English Channel off Le Havre, Seine Maritime, France with the loss of nine of her crew.[129]
Ansgar	Denmark	World War I: The barquentine was set afire and sunk in the Mediterranean Sea off Cape San Antonio, Spain (39°06′N 0°30′E / 39.100°N 0.500°E) by SM U-52 ( Kaiserliche Marine). Her crew survived.[130]
Candia	Italy	World War I: The cargo ship was sunk in the Mediterranean Sea off Zuwara, Libya by SM UC-20 ( Kaiserliche Marine).[131]
Cyfarthfa	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 32 nautical miles (59 km) west south west of Antikythera, Greece (35°29′N 22°30′E / 35.483°N 22.500°E) by SM UB-47 ( Kaiserliche Marine). Her crew survived.[10][132]
Duchess of Cornwall	United Kingdom	World War I: The cargo ship struck a mine and sank in the English Channel 5 nautical miles (9.3 km) north of Cape Barfleur, Manche, France with the loss of 23 of her crew.[133]
Imperial Transport	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 140 nautical miles (260 km) north west by north of Alexandria, Egypt by SM UC-34 ( Kaiserliche Marine). Her crew survived, but her captain was taken as a prisoner of war.[10][134]
Miss Morris	United Kingdom	World War I: The three-masted schooner was scuttled in the Mediterranean Sea 20 nautical miles (37 km) south east of Garrucha, Andalusia, Spain (36°57′N 1°50′W / 36.950°N 1.833°W) by SM U-35 ( Kaiserliche Marine). Her crew survived.[135]
Nancy	Denmark	World War I: The cargo ship was torpedoed and sunk in the North Sea 42 nautical miles (78 km) off the Hellisøy Lighthouse, Hordaland, Norway by SM U-30 ( Kaiserliche Marine) with the loss of three crew.[136]
Precedent	United Kingdom	World War I: The fishing smack was scuttled in the English Channel 12 nautical miles (22 km) east south east of Berry Head, Devon by SM UB-38 ( Kaiserliche Marine). Her crew survived.[40][137]
Quaggy	United Kingdom	World War I: The coaster struck a mine and sank in the North Sea 3 nautical miles (5.6 km) east of Robin Hood's Bay, Yorkshire with the loss of two of her crew.[138]
Sarvsfos	Norway	World War I: The barque was sunk in the North Sea 80 nautical miles (150 km) south east of Kirkwall, Orkney Islands (58°33′N 0°00′E / 58.550°N 0.000°E) by SM U-50 ( Kaiserliche Marine). Her crew survived.[139]
Saxo	Denmark	World War I: The coaster was sunk in the North Sea 42 nautical miles (78 km) off the Hellisøy Lighthouse by SM U-30 ( Kaiserliche Marine). Her crew survived.[140]
Star	Norway	World War I: The coaster was sunk in the North Sea 68 nautical miles (126 km) off the coast of Fife, United Kingdom by SM U-30 ( Kaiserliche Marine). Her crew survived.[141]
Sylfiden	Norway	World War I: The barque was sunk in the Barents Sea 50 nautical miles (93 km) north by west of Holmengrå, Finnmark by SM U-30 ( Kaiserliche Marine). Her crew survived.[142]
Tremorvah	United Kingdom	World War I: The cargo ship was shelled and sunk in the Mediterranean Sea 70 nautical miles (130 km) north north west of Cape Bougaroni, Algeria by SM U-65 ( Kaiserliche Marine). Her crew survived, but four of them were taken as prisoners of war.[10][143]

12 April

List of shipwrecks: 12 April 1917

Ship	Country	Description
Angela M.	Italy	World War I: The three-masted schooner was scuttled in the Mediterranean Sea north west of Cape Bougaroni, Algeria by SM U-65 ( Kaiserliche Marine).[144]
Caliban	United Kingdom	World War I: The trawler was shelled and sunk in the North Sea 45 nautical miles (83 km) north east by east of Rattray Head, Aberdeenshire by SM UC-76 ( Kaiserliche Marine). Her crew survived.[40][145]
Chinkiang	United Kingdom	World War I: The trawler was shelled and sunk in the North Sea 30 nautical miles (56 km) north east by east of Buchan Ness, Aberdeenshire by SM UC-76 ( Kaiserliche Marine). Her crew survived.[40][146]
Crown Prince	United Kingdom	World War I: The trawler was shelled and sunk in the North Sea 45 nautical miles (83 km) north east by east of Girdle Ness by SM UC-76 ( Kaiserliche Marine). Her crew survived.[147]
Dina Henderika	Netherlands	World War I: The sailing vessel was scuttled in the North Sea 30 nautical miles (56 km) east north east of Hartlepool, County Durham, United Kingdom by SM UC-30 ( Kaiserliche Marine).[148]
Edelweiss	France	World War I: The sailing vessel was shelled and sunk in the English Channel off Cherbourg, Seine-Maritime by SM UC-71 ( Kaiserliche Marine).[149]
Equerry	United Kingdom	World War I: The trawler was shelled and sunk in the North Sea 35 nautical miles (65 km) north east of Kincaid Head by SM UC-76 ( Kaiserliche Marine). Her crew survived.[150]
Ernst Sophie	Russia	World War I: The sailing vessel was scuttled in the Atlantic Ocean south west of Ireland (51°05′N 11°58′W / 51.083°N 11.967°W) by SM UC-27 ( Kaiserliche Marine).[151]
Fife Ness	United Kingdom	World War I: The fishing vessel was shelled and sunk in the North Sea 23 nautical miles (43 km) east north east of Fraserburgh, Aberdeenshire by SM UC-76 ( Kaiserliche Marine). Her crew survived.[40][152]
Glencliffe	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 2.5 nautical miles (4.6 km) off Tabarka Island, Alicante, Spain (38°07′N 0°22′W / 38.117°N 0.367°W) by SM U-52 ( Kaiserliche Marine) with the loss of a crew member. Three survivors were taken as prisoners of war.[10][153]
India	Greece	World War I: The cargo ship was sunk in the Mediterranean Sea east of Gibraltar by SM U-35 ( Kaiserliche Marine).[154]
Kildale	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 40 nautical miles (74 km) east of Pantelleria, Italy (36°44′N 12°32′E / 36.733°N 12.533°E) SM U-32 ( Kaiserliche Marine) with the loss of a crew member.[155]
Kolaastind	Norway	World War I: The cargo ship was sunk in the North Sea (60°14′N 2°42′E / 60.233°N 2.700°E) by SM U-30 ( Kaiserliche Marine) with the loss of four crew.[156]
Largo Bay	United Kingdom	World War I: The trawler was shelled and sunk in the North Sea 30 nautical miles (56 km) north east by east of Buchan Ness by SM UC-76 ( Kaiserliche Marine). Her crew survived.[157]
Lilian	United Kingdom	World War I: The trawler was shelled and sunk in the North Sea 45 nautical miles (83 km) north east by east of Girdle Ness by SM UC-76 ( Kaiserliche Marine). Her crew survived.[158]
Lismore	United Kingdom	World War I: The passenger ship was torpedoed and sunk in the English Channel 22 nautical miles (41 km) north west by north of Le Havre, Seine-Maritime, France (49°48′N 0°18′W / 49.800°N 0.300°W) by SM UB-38 ( Kaiserliche Marine) with the loss of five lives.[10][159]
Neptunus	Netherlands	World War I: The sailing vessel was sunk in the North Sea 20 nautical miles (37 km) east north east of Hartlepool by SM UC-30 ( Kaiserliche Marine).[160]
Niritos	Greece	World War I: The cargo ship was sunk in the Mediterranean Sea 5 nautical miles (9.3 km) off Augusta, Sicily, Italy (37°13′N 15°20′E / 37.217°N 15.333°E) by SM U-27 ( Austro-Hungarian Navy).[161]
Osprey	United Kingdom	World War I: The trawler was shelled and sunk in the North Sea 45 nautical miles (83 km) north east by east of Girdle Ness by SM UC-76 ( Kaiserliche Marine). Her crew survived.[162]
Toro	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 200 nautical miles (370 km) west north west of Ouessant, Finistère, France (48°30′N 10°00′W / 48.500°N 10.000°W) by SM U-55 ( Kaiserliche Marine) with the loss of fourteen crew. Two survivors were taken as prisoners of war.[10][163]
Union	Denmark	World War I: The schooner was sunk in the North Sea 18 to 20 nautical miles (33 to 37 km) east of the Souter Lighthouse, County Durham by SM UC-30 ( Kaiserliche Marine). Her crew survived.[164]
Voorwarts	Netherlands	World War I: The schooner was sunk in the North Sea 20 nautical miles (37 km) east north east of Hartlepool by SM UC-30 ( Kaiserliche Marine).[165]

13 April

List of shipwrecks: 13 April 1917

Ship	Country	Description
Argyll	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 110 nautical miles (200 km) west of the Bishop Rock, Isles of Scilly (49°23′N 9°07′W / 49.383°N 9.117°W) by SM U-84 ( Kaiserliche Marine) with the loss of 22 of her crew.[10][166]
Bandon	United Kingdom	World War I: The cargo ship struck a mine and sank in the Atlantic Ocean 2.5 nautical miles (4.6 km) south west of Mine Head, Cornwall (51°57′N 7°35′W / 51.950°N 7.583°W) with the loss of 28 of her crew.[167]
Bokn	Norway	World War I: The coaster was sunk in the North Sea 95 nautical miles (176 km) off the Hellisøy Lighthouse, Hordaland (60°04′N 0°45′E / 60.067°N 0.750°E) by SM U-30 ( Kaiserliche Marine). Her crew survived.[168]
Frixos	Russia	World War I: The cargo ship was torpedoed and sunk in the North Sea 60 nautical miles (110 km) east of the Shetland Islands, United Kingdom (60°04′N 0°45′E / 60.067°N 0.750°E) by SM U-30 ( Kaiserliche Marine).[169]
Gama	Norway	World War I: The coaster was sunk in the North Sea (60°24′N 1°15′E / 60.400°N 1.250°E) by SM U-30 ( Kaiserliche Marine). Her crew survived.[170]
Gambetta	France	The sailing vessel was sunk in the Bay of Biscay off the Île d'Yeu, Finistère by SM UC-26 ( Kaiserliche Marine).[171]
Giuseppe Accame	Italy	World War I: The cargo ship was sunk in the Mediterranean Sea 40 nautical miles (74 km) west of Cape Spartel, Morocco by SM U-35 ( Kaiserliche Marine).[172]
Glenlora	Norway	World War I: The barque was sunk in the North Sea (60°36′N 1°53′E / 60.600°N 1.883°E) by SM U-30 ( Kaiserliche Marine). Her crew survived.[173]
Kariba	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 260 nautical miles (480 km) west nort west of Ouessant, Finistère, France (48°30′N 11°28′W / 48.500°N 11.467°W) by SM UC-27 ( Kaiserliche Marine) with the loss of thirteen of her crew.[10][174]
Maria	United Kingdom	World War I: The schooner was scuttled in the English Channel 25 nautical miles (46 km) south west of Portland Bill, Dorset by SM UB-38 ( Kaiserliche Marine). Her crew survived.[10][175]
HMML 534	Royal Navy	World War I: The motor launch was lost in the Mediterranean Sea on this date.[16]
Odysseus	Greece	World War I: The cargo ship was sunk in the Mediterranean Sea 30 nautical miles (56 km) west of Cape Spartel by SM U-35 ( Kaiserliche Marine).[176]
HMT Pitstruan	Royal Navy	World War I: The naval trawler struck a mine and sank in the North Sea 3 nautical miles (5.6 km) south east of the Noss Head Lighthouse, Shetland Islands with the loss of eleven of her crew.[177]
Stork	United Kingdom	World War I: The trawler was scuttled in the North Sea 20 nautical miles (37 km) east of St Abb's Head, Berwickshire by SM UC-41 ( Kaiserliche Marine). Her crew survived.[40][178]
Strathcona	Canada	World War I: The cargo ship was scuttled in the Atlantic Ocean 145 nautical miles (269 km) west north west of North Ronaldsay, Orkney Islands, United Kingdom (59°35′N 5°49′W / 59.583°N 5.817°W) by SM U-78 ( Kaiserliche Marine) with the loss of nine crew. Three survivors were taken as prisoners of war.[10][179]
Stromboli	Italy	The cargo ship was sunk in the Mediterranean Sea 50 nautical miles (93 km) west of Cape Spartel by SM U-35 ( Kaiserliche Marine).[180]
Zara	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the North Sea 90 nautical miles (170 km) off the Hellisøy Lighthouse (60°08′N 1°52′E / 60.133°N 1.867°E) by SM U-30 ( Kaiserliche Marine) with the loss of 27 lives.[181]

14 April

List of shipwrecks: 14 April 1917

Ship	Country	Description
HMT Alberta	Royal Navy	World War I: The naval trawler struck a mine and sank in the North Sea off Grimsby, Lincolnshire (53°45′N 0°51′E / 53.750°N 0.850°E) with the loss of seven of her crew.[182]
Andromach	United Kingdom	World War I: The trawler was scuttled in the Atlantic Ocean west of the Shetland Islands by SM U-78 ( Kaiserliche Marine). Her captain was taken as a prisoner of war. The other eleven crew took to the lifeboat but were not found.[183]
Cinque Ottobre	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea off the coast of Tunisia by SM UC-20 ( Kaiserliche Marine).[184]
Fjeldli	Norway	World War I: The coaster was sunk in the North Sea 76 nautical miles (141 km) west by north of the Marstein Lighthouse, Hordaland (60°02′N 2°10′E / 60.033°N 2.167°E) by SM U-30 ( Kaiserliche Marine). Her crew survived.[185]
Gange	French Navy	World War I: The troopship struck a mine and sank in the Mediterranean Sea 33 nautical miles (61 km) north east of Cape Serrat, Algeria (37°24′N 9°50′E / 37.400°N 9.833°E) by SM UC-37 ( Kaiserliche Marine) with the loss of one life.[186]
Hermione	United Kingdom	World War I: The cargo ship struck a mine and was damaged in the Irish Sea off the Coningbeg Lightship ( United Kingdom). She was beached in Dunmore Bay where she was declared a constructive total loss. Subsequently scrapped in situ.[187]
HMT Orcades	Royal Navy	World War I: The naval trawler struck a mine and sank in the North Sea off Grimsby with the loss of six of her crew.[188]
Patagonier	United Kingdom	World War I: The cargo ship was shelled and sunk in the Mediterranean Sea 135 nautical miles (250 km)) west of Gibraltar (36°00′N 9°00′W / 36.000°N 9.000°W) by SM U-35 ( Kaiserliche Marine). Her crew survived.[10][189]
Progresso	Italy	World War I: The tug was sunk in the Mediterranean Sea off the coast of Tunisia by SM UC-20 ( Kaiserliche Marine).[190]
Spray	United Kingdom	World War I: The cargo ship was sunk in the North Sea 3.5 nautical miles (6.5 km) north east of the mouth of the River Tyne by SM UC-30 ( Kaiserliche Marine). Her crew survived.[191]
Tom	Spain	World War I: The cargo ship was sunk in the Bay of Biscay 12 nautical miles (22 km) off Hourtin, Gironde, France (45°05′N 1°30′W / 45.083°N 1.500°W) by SM UC-26 ( Kaiserliche Marine). Her crew survived.[192]
Tres Macs	Portugal	World War I: The auxiliary sailing vessel was shelled and sunk in the Mediterranean Sea (36°39′N 7°22′W / 36.650°N 7.367°W) by SM U-52 ( Kaiserliche Marine).[193]
Venus	Norway	World War I: The coaster struck a mine and sank in the North Sea 5 nautical miles (9.3 km) off Berwick-upon-Tweed, Northumberland, United Kingdom with the loss of fourteen of her crew.[194]
Veronica	Royal Navy	The Acacia-class sloop was damaged in the Mediterranean Sea 45 nautical miles (83 km) north west of Alexandria, Egypt (31°43′N 29°17′E / 31.717°N 29.283°E) by SM UB-42 ( Kaiserliche Marine).[195]

15 April

List of shipwrecks: 15 April 1917

Ship	Country	Description
Alert	United Kingdom	World War I: The coaster struck a mine and sank in the English Channel off Dover, Kent.[10]
Alessio Cocco	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea off the coast of Tunisia by SM UC-20 ( Kaiserliche Marine).[196]
Arcadian	United Kingdom	World War I: The troopship was torpedoed and sunk in the Mediterranean Sea 26 nautical miles (48 km) north east of Milos, Greece (36°50′N 24°50′E / 36.833°N 24.833°E) by SM UC-74 ( Kaiserliche Marine) with the loss of 277 lives.[10][197]
Astræa	Denmark	World War I: The barquentine was set afire and sunk in the Atlantic Ocean south west of the Isles of Scilly, United Kingdom (49°00′N 10°30′W / 49.000°N 10.500°W) by SM U-55 ( Kaiserliche Marine) with the loss of seven crew.[198]
Brothertoft	United Kingdom	World War I: The trawler was sunk in the North Sea (approximately 55°50′N 1°30′E / 55.833°N 1.500°E) by SM UC-30 ( Kaiserliche Marine).[199]
Cameronia	United Kingdom	World War I: The troopship was torpedoed and sunk in the Mediterranean Sea 150 nautical miles (280 km) east of Malta (35°50′N 17°32′E / 35.833°N 17.533°E) by SM U-33 ( Kaiserliche Marine) with the loss of 140-210 of the 2,650-plus people on board. Survivors were rescued by HMS Nemesis and HMS Rifleman (both  Royal Navy).
Dalmatian	United Kingdom	World War I: The trawler was scuttled in the North Sea by SM UC-44 ( Kaiserliche Marine). Her nine crew took to the lifeboats but did not survive.[200]
Fram	Denmark	World War I: The schooner was shelled and sunk in the North Sea (56°35′N 2°45′W / 56.583°N 2.750°W) by SM U-93 ( Kaiserliche Marine).[201]
Gretaston	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean (43°08′N 11°32′W / 43.133°N 11.533°W) by SM UC-27 ( Kaiserliche Marine) with the loss of all 29 crew.[202]
Heikina	Netherlands	World War I: The sailing vessel was sunk in the North Sea by SM UC-44 ( Kaiserliche Marine). Her crew took to the lifeboats but did not survive.[203]
Mashobra	United Kingdom	World War I: The passenger ship was torpedoed and sunk in the Mediterranean Sea 140 nautical miles (260 km) south west of Cape Matapan, Greece (35°34′N 20°40′E / 35.567°N 20.667°E) by SM U-28 ( Austro-Hungarian Navy) with the loss of eight lives. Her captain was taken as a prisoner of war.[10][204]
Møhlenpris	Norway	World War I: The coaster was sunk in the English Channel 15 nautical miles (28 km) south west of Beachy Head, East Sussex, United Kingdom (50°38′N 0°15′W / 50.633°N 0.250°W) by SM UB-40 ( Kaiserliche Marine). Her crew survived.[205]
Panaghi Drakatos	Greece	World War I: The cargo ship was sunk in the Atlantic Ocean 26 nautical miles (48 km) off Cape Santa Maria, Portugal by SM U-35 ( Kaiserliche Marine). Her crew survived.[206]
Paris	Norway	World War I: The cargo ship was sunk in the North Sea 100 nautical miles (190 km) west of Greipengen by SM U-30 ( Kaiserliche Marine). Her crew survived.[207]
USS Pike	United States Navy	The Plunger-class submarine sank at Cavite Naval Base, Philippines. She was raised two days later, repaired and returned to service.
Sutterton	United Kingdom	World War I: The trawler was scuttled in the North Sea 65 nautical miles (120 km) east south east of St Abb's Head, Berwickshire (55°45′N 0°15′W / 55.750°N 0.250°W) by SM UC-44 ( Kaiserliche Marine) with the loss of a crew member.[40][208]
Tusnastabb	Norway	World War I: The coaster struck a mine and sank in the English Channel off Cap Gris Nez, Pas-de-Calais, France (50°54′N 1°34′E / 50.900°N 1.567°E). Her crew survived.[209]

16 April

List of shipwrecks: 16 April 1917

Ship	Country	Description
Amanda	Sweden	World War I: The brig was scuttled in the North Sea (56°27′N 3°00′E / 56.450°N 3.000°E) by SM UC-51 ( Kaiserliche Marine). Her crew survived.[210]
Anne	Denmark	World War I: The three-masted schooner was scuttled in the Atlantic Ocean west of Ireland (51°45′N 17°20′W / 51.750°N 17.333°W) by SM U-43 ( Kaiserliche Marine). Her crew survived.[211]
HMS C16	Royal Navy	The C-class submarine was rammed and sunk at Harwich, Essex by HMS Melampus ( Royal Navy) with the loss of all sixteen crew. She was subsequently salvaged, repaired and returned to service.
Cairndhu	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the English Channel 25 nautical miles (46 km) west of Beachy Head, East Sussex by SM UB-40 ( Kaiserliche Marine) with the loss of eleven of her crew.[10][212]
Crios	Greece	World War I: The cargo ship was scuttled in the Atlantic Ocean off Cape Espichel, Portugal (38°20′N 9°12′W / 38.333°N 9.200°W) by SM U-52 ( Kaiserliche Marine).[213]
Eduard	United Kingdom	World War I: The three-masted schooner was scuttled in the English Channel 12 nautical miles (22 km) south west of Beachy Head (50°34′N 0°05′E / 50.567°N 0.083°E) by SM UC-70 ( Kaiserliche Marine). Her crew survived.[214]
Endymion	Russia	World War I: The sailing vessel was scuttled in the Atlantic Ocean 250 nautical miles (460 km) west of Galway, United Kingdom (52°30′N 16°20′W / 52.500°N 16.333°W) by SM U-43 ( Kaiserliche Marine).[215]
Lord Chancellor	United Kingdom	World War I: The trawler was scuttled in the North Sea 50 nautical miles (93 km) north east of the Longstone Lighthouse, Northumberland by SM UC-41 ( Kaiserliche Marine). Her crew survived.[40][216]
Marden	United Kingdom	World War I: The coaster was shelled and sunk in the English Channel 6 nautical miles (11 km) north west of Cap Gris Nez, Pas-de-Calais, France by SM UB-36 ( Kaiserliche Marine) with the loss of a crew member.[217]
Polycarp	Norway	World War I: The sailing vessel was sunk in the North Sea (56°23′N 2°52′E / 56.383°N 2.867°E) by SM UC-51 ( Kaiserliche Marine). Her crew survived.[218]
Queen Mary	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 180 nautical miles (330 km) north west by north of the Fastnet Rock (51°48′N 14°52′W / 51.800°N 14.867°W) by SM U-60 ( Kaiserliche Marine) with the loss of nine crew.[10][219]
Rochester Castle	United Kingdom	World War I: The ketch was shelled and sunk in the English Channel 5 nautical miles (9.3 km) west south west of Cap Gris Nez by SM UB-36 ( Kaiserliche Marine). Her crew survived.[220]
Rosetta	Egypt	World War I: The sailing vessel was sunk in the Mediterranean Sea off Gaza by SM UB-42 ( Kaiserliche Marine).[221]
Sagres	Portugal	World War I: The cargo shp struck a mine and sank in the Mediterranean Sea off Cap Blanc, Tunisia.[222]
Smeul	Romanian Naval Forces	World War I: The torpedo boat struck a mine and sank at Sulina.[103]
Sontay	France	World War I: The passenger ship was sunk in the Mediterranean Sea 100 nautical miles (190 km) south east of Malta (35°02′N 16°28′E / 35.033°N 16.467°E) by SM U-33 ( Kaiserliche Marine). Her crew survived.[223]
Towergate	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 250 nautical miles (460 km) north west by west of the Fastnet Rock (52°10′N 16°16′W / 52.167°N 16.267°W) by SM U-43 ( Kaiserliche Marine). Her crew survived.[10][224]
Victoria	United Kingdom	World War I: The three-masted schooner was scuttled in the English Channel 30 nautical miles (56 km) south west of Beachy Head by SM UB-40 ( Kaiserliche Marine). Her crew survived.[10][225]

17 April

List of shipwrecks: 17 April 1917

Ship	Country	Description
Aburi	United Kingdom	World War I: The Elder Dempster 3,730 grt cargo liner was torpedoed and sunk in the Atlantic Ocean 125 nautical miles (232 km) north west of Tory Island, County Donegal (56°15′N 11°30′W / 56.250°N 11.500°W) by SM U-61 ( Kaiserliche Marine) with the loss of 25 crew.[226]
HMS Arcadian	Royal Navy	HMS Arcadian. The troopship was torpedoed and sunk in the Sea of Crete by UC-74 ( Kaiserliche Marine) with the loss of 279 lives.
Bretagne	Denmark	World War I: The cargo ship was sunk in the North Sea 8 to 9 nautical miles (15 to 17 km) off Rattray Head, Aberdeenshire, United Kingdom (57°43′N 1°42′W / 57.717°N 1.700°W) by SM UC-45 ( Kaiserliche Marine). Her crew survived.[227]
Brisbane River	United Kingdom	World War I: The cargo ship was scuttled in the Atlantic Ocean 140 nautical miles (260 km) west of Gibraltar (35°30′N 8°10′W / 35.500°N 8.167°W) by SM U-35 ( Kaiserliche Marine). Her crew survived, but her captain was taken as a prisoner of war.[10][228]
Cairnhill	United Kingdom	World War I: The cargo ship was scuttled in the Atlantic Ocean 160 nautical miles (300 km) south west of the Fastnet Rock (52°09′N 13°16′W / 52.150°N 13.267°W) by SM U-55 ( Kaiserliche Marine). Her crew survived, but her captain was taken as a prisoner of war.[10][229]
Charles Goodanew	United Kingdom	World War I: The coaster was sunk in the North Sea 3.5 nautical miles (6.5 km) north north east of Rattray Head (57°39′N 1°45′W / 57.650°N 1.750°W) by SM UC-45 ( Kaiserliche Marine) with the loss of thirteen of her crew.[230]
Corfu	United Kingdom	World War I: The cargo ship was scuttled in the Atlantic Ocean 160 nautical miles (300 km) west of Gibraltar (35°14′N 8°25′W / 35.233°N 8.417°W) by SM U-35 ( Kaiserliche Marine) with the loss of three crew.[10][231]
Costante	Italy	World War I: The cargo ship was sunk in the Mediterranean Sea off the coast of Algeria (36°53′N 4°15′E / 36.883°N 4.250°E) by SM U-32 ( Kaiserliche Marine).[232]
Dantzic	United Kingdom	World War I: The schooner was scuttled in the Irish Sea 30 nautical miles (56 km) south by west of St. Ann's Head, Pembrokeshire by SM UC-47 ( Kaiserliche Marine). Her crew survived.[233]
Donegal	United Kingdom	(Red Cross): World War I: The hospital ship was torpedoed and sunk in the English Channel 19 nautical miles (35 km) south of the Dean Lightship ( United Kingdom) (50°26′N 1°00′W / 50.433°N 1.000°W) by SM UC-21 ( Kaiserliche Marine) with the loss of 40 lives.[10][234][235]
Fernmoor	United Kingdom	World War I: The cargo ship was scuttled in the Atlantic Ocean 150 nautical miles (280 km) west of Gibraltar (35°30′N 8°18′W / 35.500°N 8.300°W) by SM U-35 ( Kaiserliche Marine). Her crew survived.[10][236]
Kish	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 160 nautical miles (300 km) north west by west of the Fastnet Rock by SM U-67 ( Kaiserliche Marine) with the loss of six crew.[10][237]
HMHS Lanfranc	Royal Navy	(Red Cross): World War I: The hospital ship was torpedoed and sunk in the English Channel 42 nautical miles (78 km) north of Le Havre, Seine-Maritime, France (50°11′N 0°12′E / 50.183°N 0.200°E) by SM UB-40 ( Kaiserliche Marine) with the loss of 40 lives.[238]
Robert	Denmark	World War I: The cargo ship was torpedoed and sunk in the North Sea 14 nautical miles (26 km) east of Fair Isle, United Kingdom by SM UC-76 ( Kaiserliche Marine) with the loss of eight crew.[239]
U.S.A.	United Kingdom	World War I: The fishing vessel was scuttled in the North Sea 16 nautical miles (30 km) east north east of the Longstone Lighthouse, Northumberland (55°54′N 1°06′W / 55.900°N 1.100°W) by SM UC-41 ( Kaiserliche Marine). Her crew survived.[40][240]
William Shephard	United Kingdom	World War I: The three-masted schooner was scuttled in the Irish Sea 30 nautical miles (56 km) south by west of St. Ann's Head by SM UC-47 ( Kaiserliche Marine). Her crew survived.[241]

18 April

List of shipwrecks: 18 April 1917

Ship	Country	Description
Atalanta	Sweden	World War I: The cargo ship was sunk in the North Sea (56°33′N 4°18′E / 56.550°N 4.300°E) by SM U-86 ( Kaiserliche Marine). Her crew survived.[242]
Bergensgut	Norway	World War I: The cargo ship was sunk in the North Sea 60 nautical miles (110 km) east of Peterhead, Aberdeenshire, United Kingdom by SM UC-76 ( Kaiserliche Marine) with the loss of ten of her crew.[243]
Castilian	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 110 nautical miles (200 km) north west by north of Tory Island, County Donegal (56°20′N 10°45′W / 56.333°N 10.750°W) by SM U-61 ( Kaiserliche Marine) with the loss of ten crew.[10][244]
Cragoswald	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 60 nautical miles (110 km) west by south of the Bishop Rock, Isles of Scilly by SM U-84 ( Kaiserliche Marine). with the loss of two of her crew.[10][245]
Heim	Norway	World War I: The cargo ship struck a mine and sank in the English Channel 10 nautical miles (19 km) north of Pointe d'Ailly, Seine-Maritime, France with the loss of two of her crew. by SM UC-71 ( Kaiserliche Marine). Her crew survived.[246]
John S. Boyle	United Kingdom	World War I: The fishing vessel was scuttled in the North Sea 25 nautical miles (46 km) east by south of St Abb's Head, Berwickshire (56°16′N 1°33′W / 56.267°N 1.550°W) by SM UC-41 ( Kaiserliche Marine). Her crew survived.[40][247]
Louisiana	Denmark	World War I: The cargo ship wastorpedoed and sunk in the North Sea 20 nautical miles (37 km)) north north east of Buchan Ness, (57°47′N 1°22′W / 57.783°N 1.367°W) by SM UC-45 ( Kaiserliche Marine). Her crew survived.[248]
Marcel	Belgium	World War I: The tug was scuttled in the North Sea 8 nautical miles (15 km) north east of the Noord Hinder Lightship ( Netherlands) by SM UB-23 ( Kaiserliche Marine).[249]
Rameses	United Kingdom	World War I: The trawler was scuttled in the North Sea 45 nautical miles (83 km) east of St Abb's Head (56°14′N 1°29′W / 56.233°N 1.483°W) by SM UC-41 ( Kaiserliche Marine). Her crew survived.[250]
Rhydwen	United Kingdom	World War I: the cargo ship was torpedoed and sunk in the Atlantic Ocean 170 nautical miles (310 km) north west by west of the Fastnet Rock (51°40′N 14°00′W / 51.667°N 14.000°W) by SM U-67 ( Kaiserliche Marine) with the loss of six crew.[10][251]
Rinaldo	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 18 nautical miles (33 km) west by north of Cape Cherchell, Algeria (36°35′N 1°48′E / 36.583°N 1.800°E) by SM U-32 ( Kaiserliche Marine). Her crew survived.[10][252]
Rowena	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 95 nautical miles (176 km) west by south of the Bishop Rock (49°03′N 8°25′W / 49.050°N 8.417°W) by SM U-84 ( Kaiserliche Marine) with the loss of a crew member.[10][253]
Scalpa	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 150 nautical miles (280 km) north west by west of the Fastnet Rock by SM U-53 ( Kaiserliche Marine). Her crew survived.[10][254]
Sculptor	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 120 nautical miles (220 km) north west by west of the Fastnet Rock (51°56′N 12°50′W / 51.933°N 12.833°W) by SM U-53 ( Kaiserliche Marine) with the loss of a crew member.[10][255]
Surcouf	France	World War I: The sailing vessel was sunk in the English Channel off Île Vierge, Finistère by SM UC-26 ( Kaiserliche Marine). Her crew survived.[256]
Thomas	United Kingdom	World War I: The schooner was scuttled in the Atlantic Ocean 40 nautical miles (74 km) off Cape St. Vincent, Portugal by SM UC-27 ( Kaiserliche Marine). Her crew survived.[257]
Trekieve	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 100 nautical miles (190 km) west of Gibraltar (35°00′N 9°45′W / 35.000°N 9.750°W) by SM U-35 ( Kaiserliche Marine) with the loss of three crew.[10][258]
Troldfos	Norway	World War I: The cargo ship was sunk in the Atlantic Ocean 50 nautical miles (93 km) west north west of the Shetland Islands, United Kingdom by SM U-93 ( Kaiserliche Marine). Her crew survived.[259]
West Lothian	Norway	World War I: The four-masted barque was torpedoed and sunk in the Atlantic Ocean 50 nautical miles (93 km) west of the Shetland Islands (60°55′N 3°30′W / 60.917°N 3.500°W) by SM U-93 ( Kaiserliche Marine). Her crew survived.[260]
Witham	United Kingdom	World War I: The trawler was shelled and sunk in the North Sea 125 nautical miles (232 km) east by south of St Abb's Head (55°56′N 1°36′E / 55.933°N 1.600°E) by SM UC-50 ( Kaiserliche Marine). Her crew survived.[40][261]

19 April

List of shipwrecks: 19 April 1917

Ship	Country	Description
Avocet	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 100 nautical miles (190 km) west north west of the Fastnet Rock (51°19′N 12°30′W / 51.317°N 12.500°W) by SM U-50 ( Kaiserliche Marine). Her crew survived.[10][262]
Bethlehem	United Kingdom	World War I: The auxiliary sailing vessel struck a mine and sank in the North Sea with the loss of a crew member.[263]
Cilurnum	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Bay of Biscay 5 nautical miles (9.3 km) south west of Penmarc'h, Finistère, France (47°45′N 4°30′W / 47.750°N 4.500°W) by SM UC-21 ( Kaiserliche Marine) with the loss of a crew member.[10][264]
Ellida	Norway	World War I: The cargo ship was sunk in the North Sea 2.5 nautical miles (4.6 km) east north east of Whitby, Yorkshire, United Kingdom by SM UB-41 ( Kaiserliche Marine). Her crew survived.[265]
Elswick Manor	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 180 nautical miles (330 km) west of Ouessant, Finistère, France (47°36′N 9°32′W / 47.600°N 9.533°W) by SM U-84 ( Kaiserliche Marine). Her crew survived.[10][266]
Gold Coast	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 14 nautical miles (26 km) south of Mine Head, Cornwall (51°46′N 7°28′W / 51.767°N 7.467°W) by SM UC-47 ( Kaiserliche Marine). Her crew survived.[10][267]
Howth Head	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 158 nautical miles (293 km) north west of the Fastnet Rock (52°20′N 13°38′W / 52.333°N 13.633°W) by SM U-60 ( Kaiserliche Marine) with the loss of two crew.[10][268]
Jewel	United Kingdom	World War I: The brig was scuttled in St. George's Channel 20 nautical miles (37 km) south east of the Coningbeg Lightship ( United Kingdom) by SM UC-47 ( Kaiserliche Marine). Her crew survived.[269]
HMT Lobelia	Royal Navy	World War I: The naval trawler struck a mine and sank off Fanad Point, Lough Swilly (55°16′N 7°45′W / 55.267°N 7.750°W) with the loss of eleven crew.[270]
Poltava	United Kingdom	World War I: The coaster struck a mine and sank in the North Sea 3 nautical miles (5.6 km) east north east of the Souter Point Lighthouse, South Shields, County Durham (54°59′00″N 1°16′30″W / 54.98333°N 1.27500°W). Her crew survived.[271]
SMS Seeadler	Kaiserliche Marine	The hulk exploded and sank at Wilhelmshaven, Lower Saxony.
Senator Dantziger	United Kingdom	World War I: the schooner was shelled and sunk in the English Channel 15 nautical miles (28 km) south by east of Newhaven, East Sussex by SM UC-26 ( Kaiserliche Marine). Her crew survived.[272]
Senhora da Conceicao	Portugal	World War I: The sailing vessel was scuttled in the Atlantic Ocean north of Cape Finisterre, Spain (43°38′N 10°00′W / 43.633°N 10.000°W) by SM U-52 ( Kaiserliche Marine).[273]
Sowwell	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 170 nautical miles (310 km) west of Gibraltar by SM U-35 ( Kaiserliche Marine) with the loss of 21 crew.[10][274]
HMT Star of Freedom	Royal Navy	World War I: The naval trawler struck a mine and sank in the Atlantic Ocean off Trevose Head, Cornwall (50°35′N 5°25′W / 50.583°N 5.417°W with the loss of ten of her crew.[275]
Tempus	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 130 nautical miles (240 km) north west by west of the Fastnet Rock by SM U-53 ( Kaiserliche Marine) with the loss of a crew member.[10][276]

20 April

List of shipwrecks: 20 April 1917

Ship	Country	Description
Annapolis	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 74 nautical miles (137 km) north west of Eagle Island, County Mayo (55°45′N 11°45′W / 55.750°N 11.750°W) by SM U-61 and SM U-69 (both  Kaiserliche Marine). Her crew survived.[277]
August	Russia	World War I: The barque was sunk in the Atlantic Ocean 300 nautical miles (560 km) west of Ireland (50°25′N 16°40′W / 50.417°N 16.667°W) by SM U-43 ( Kaiserliche Marine).[278]
Ballochbuie	United Kingdom	World War I: The coaster was torpedoed and sunk in the North Sea 7 nautical miles (13 km) east of the Isle of May, Fife by SM UC-41 ( Kaiserliche Marine) with the loss of three of her crew.[10][279]
Caithness	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 130 nautical miles (240 km) north west by north of Cape Ortegal, Spain (45°48′N 11°07′W / 45.800°N 11.117°W) by SM U-52 ( Kaiserliche Marine) with the loss of 47 crew.[10][280]
Erith	United Kingdom	World War I: The trawler was scuttled in the North Sea 40 nautical miles (74 km) south of Girdleness, Aberdeenshire by SM UC-44 ( Kaiserliche Marine). Her crew survived.[281]
Emma	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 200 nautical miles (370 km) south west by south of the Fastnet Rock (49°55′N 14°40′W / 49.917°N 14.667°W) by SM U-50 ( Kaiserliche Marine) with the loss of two crew.[282]
Georgios	Greece	World War I: The cargo ship was sunk in the Bay of Biscay 11 nautical miles (20 km) south east of La Vieille, Finistère, France (47°56′N 4°27′W / 47.933°N 4.450°W) by SM UC-21 ( Kaiserliche Marine).[283]
Grecian	United Kingdom	World War I: The trawler was scuttled in the North Sea 22 nautical miles (41 km) north east by east of the Longstone Lighthouse, Northumberland by SM UC-44 ( Kaiserliche Marine). Her crew survived.[284]
HMT Loch Eye	Royal Navy	World War I: The naval trawler struck a mine and sank in the Irish Sea 1.25 nautical miles (2.32 km) south west of Hook Point, County Waterford (52°08′N 6°59′W / 52.133°N 6.983°W with the loss of seven of her crew.[285]
Lowdale	United Kingdom	World War I: The collier was shelled and sunk in the Atlantic Ocean 90 nautical miles (170 km) west by north of Gibraltar by SM U-35 ( Kaiserliche Marine). Her crew survived.[10][286][287]
SS Malakand	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 145 nautical miles (269 km) west of the Bishop Rock, Isles of Scilly (49°20′N 10°00′W / 49.333°N 10.000°W) by SM U-84 ( Kaiserliche Marine) with the loss of a crew member.[10][288]
Nentmoor	United Kingdom	World War I: The cargo ship was shelled and sunk in the Atlantic Ocean 140 nautical miles (260 km) west of Gibraltar (32°25′N 8°02′W / 32.417°N 8.033°W) by SM U-35 ( Kaiserliche Marine). Her crew survived.[10][289]
HMS Nepaulin	Royal Navy	World War I: The auxiliary minesweeper struck a mine and sank in the North Sea off the Dyck Lightship ( United Kingdom) with the loss of nineteen of her crew.[290]
HMT Othonna	Royal Navy	World War I: The naval trawler struck a mine and sank in the North Sea (56°17′N 2°27′W / 56.283°N 2.450°W) with the loss of nine of her crew.[291]
Portloe	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 160 nautical miles (300 km) west north west of the Fastnet Rock (51°13′N 14°10′W / 51.217°N 14.167°W) by SM U-67 ( Kaiserliche Marine) with the loss of 24 crew.[292]
Ringholm	Norway	World War I: The coaster was sunk in the North Sea 5 nautical miles (9.3 km) off St. Abb's Head, Berwickshire, United Kingdom by SM UC-41 ( Kaiserliche Marine). Her crew survived.[293]
HMT Ruthin Castle	Royal Navy	World War I: The naval trawler struck a mine and sank in the North Sea off Skinningrove, Yorkshire (54°37′N 0°53′W / 54.617°N 0.883°W) with the loss of nine of her crew.[294]
San Hilario	United Kingdom	World War I: The tanker was torpedoed and sunk in the Atlantic Ocean 270 nautical miles (500 km) west by north of the Fastnet Rock (50°55′N 16°28′W / 50.917°N 16.467°W) by SM U-43 ( Kaiserliche Marine). Her crew survived.[10][295]
Torr Head	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 160 nautical miles (300 km) north west by north of the Fastnet Rock (52°10′N 14°00′W / 52.167°N 14.000°W) by SM U-60 ( Kaiserliche Marine). Her crew survived.[10][296]

21 April

List of shipwrecks: 21 April 1917

Ship	Country	Description
Diadem	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 200 nautical miles (370 km) south west by west of the Fastnet Rock by SM U-50 ( Kaiserliche Marine). Her crew survived.[10][297]
Emile et Charlotte	France	World War I: The fishing vessel was sunk in the Bay of Biscay north east of the Île d'Yeu, Vendée by SM UC-21 ( Kaiserliche Marine). Her crew survived.[298]
SMS G42	Kaiserliche Marine	World War I: Battle of Dover Strait: The Großes Torpedoboot 1913-class torpedo boat was rammed and sunk in the Strait of Dover by HMS Broke ( Royal Navy) with the loss of 36 of her 83 crew.
SMS G85	Kaiserliche Marine	World War I: Battle of Dover Strait: The Großes Torpedoboot 1913-class torpedo boat was torpedoed and sunk in the Strait of Dover by HMS Swift ( Royal Navy).
Gerda	Norway	World War I: The coaster was sunk in the North Sea 5 nautical miles (9.3 km) south west of Sumburgh Head, Shetland Islands, United Kingdom by SM UC-55 ( Kaiserliche Marine). Her crew survived.[299]
Giosue	Italy	World War I: The brigantine was shelled and sunk in the Mediterranean Sea off Tunis, Tunisia (37°53′N 10°06′E / 37.883°N 10.100°E) by SM U-32 ( Kaiserliche Marine).[300]
Jedburgh	United Kingdom	World War I: The trawler was scuttled in the North Sea (35 nautical miles (65 km) north north west of Foula by SM UC-33 ( Kaiserliche Marine). Her crew survived.[301]
Peik	Norway	World War I: The coaster was sunk in the North Sea 10 nautical miles (19 km) north of Coquet Island, Northumberland, United Kingdom by SM UC-44 ( Kaiserliche Marine). Her crew survived.[302]
Pontiac	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 56 nautical miles (104 km) south west of the Fastnet Rock (50°31′N 10°09′W / 50.517°N 10.150°W) by SM U-53 ( Kaiserliche Marine) with the loss of two crew.[10][303]
Sebek	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 145 nautical miles (269 km) north west of Tory Island, County Donegal (56°12′N 12°20′W / 56.200°N 12.333°W) by SM U-70 ( Kaiserliche Marine) with the loss of a crew member.[10][304]
Skjold	Norway	World War I: The barque was shelled and sunk in the Atlantic Ocean west north west of the Fastnet Rock (51°41′N 14°37′W / 51.683°N 14.617°W) by SM U-61 ( Kaiserliche Marine). Her crew survived.[305]
Telena	United Kingdom	World War I: The tanker was torpedoed and sunk in the Atlantic Ocean 170 nautical miles (310 km) west north west of the Fastnet Rock (51°16′N 14°00′W / 51.267°N 14.000°W) by SM U-61 ( Kaiserliche Marine). Her crew survived.[10][306]
SM UC-30	Kaiserliche Marine	World War I: The Type UC II submarine struck a mine and sank in the North Sea 66 nautical miles (122 km) west of Nymindegab, Denmark with the loss of all 26 crew.
Ville de Dieppe	France	World War I: The barque was shelled and sunk in the Bay of Biscay west of the Île d'Oléron, Charente-Maritime (45°59′N 1°52′W / 45.983°N 1.867°W) by SM UC-21 ( Kaiserliche Marine). Her crew survived and were rescued by a French Navy submarine.[307]
Warrior	United Kingdom	World War I: The cargo ship struck a mine and sank in the Mediterranean Sea 7 nautical miles (13 km) north east of the Fratelli Rocks, Tunisia with the loss of a crew member.[308]
Yeovil	United Kingdom	World War I: The trawler was scuttled in the North Sea 35 nautical miles (65 km) north north west of Foula by SM UC-33 ( Kaiserliche Marine) with the loss of a crew member.[40][309]

22 April

List of shipwrecks: 22 April 1917

Ship	Country	Description
Arethusa	United Kingdom	World War I: The barque was scuttled in the Atlantic Ocean 15 nautical miles (28 km) north west of Eagle Island, County Mayo by SM UC-66 ( Kaiserliche Marine). Her crew survived.[310]
Blaatind	Norway	World War I: The cargo ship was sunk in the Tyrrhenian Sea 30 nautical miles (56 km) off Civitavecchia, Lazio, Italy (42°28′N 10°59′E / 42.467°N 10.983°E) by SM U-33 ( Kaiserliche Marine) with the loss of two crew.[311]
Capenor	United Kingdom	World War I: The cargo ship struck a mine and sank in the Bay of Biscay off La Pallice, Charente-Maritime, France (46°06′N 1°17′W / 46.100°N 1.283°W). Her crew survived.[312]
Giskø	Norway	World War I: The cargo ship was sunk in the North Sea (61°03′N 3°28′E / 61.050°N 3.467°E by SM U-21 ( Kaiserliche Marine). Her crew survived.[313]
Godø	Norway	World War I: The coaster was sunk in the North Sea 16 nautical miles (30 km) east of the Shetland Islands, United Kingdom by SM UC-41 ( Kaiserliche Marine). Her crew survived.[314]
Maria S.	Italy	World War I: The sailing vessel was sunk in the Tyrrhenian Sea off Civitavecchia by SM U-33 ( Kaiserliche Marine).[315]
HMML 431	Royal Navy	The motor launch was lost on this date.[16]
Neepawah	Canada	World War I: The cargo ship was scuttled in the Atlantic Ocean 120 nautical miles (220 km) south west of the Bishop Rock, Isles of Scilly, United Kingdom by SM U-53 ( Kaiserliche Marine). Her crew survived.[10][316]
Nightingale	United Kingdom	World War I: The fishing vessel was scuttled in the North Sea 26 nautical miles (48 km) south of Aberdeen by SM UC-44 ( Kaiserliche Marine). Her crew survived.[317]
Percy Birdsall	United States	World War I: The schooner was sunk in the Bay of Biscay off the Gironde Estuary by SM UC-21 ( Kaiserliche Marine). Her crew survived.[318]
Theodore William	Norway	World War I: The cargo ship was sunk in the North Sea 40 nautical miles (74 km) off the Shetland Islands (60°45′N 0°13′E / 60.750°N 0.217°E) by SM U-21 ( Kaiserliche Marine). Her crew survived.[319]
Unione	Italy	World War I: The brigantine was sunk in the Tyrrhenian Sea off Civitavecchia (42°01′N 10°54′E / 42.017°N 10.900°E) by SM U-33 ( Kaiserliche Marine).[320]
Valerie	Norway	World War I: The barque was shelled and sunk in the Bay of Biscay 30 nautical miles (56 km) west of the Cordouan Lighthouse, Charente Maritime by SM UC-21 ( Kaiserliche Marine). Her crew survived.[321]
Vestelv	Norway	World War I: The full-rigged ship was scuttled in the Atlantic Ocean 14 nautical miles (26 km) off Tory Island, County Donegal, United Kingdom by SM U-93 ( Kaiserliche Marine). Her crew survived.[322]
Woodward Abrahams	United States	World War I: The three-masted schooner was sunk in the Atlantic Ocean 407 nautical miles (754 km) west of the Fastnet Rock by SM U-43 ( Kaiserliche Marine). Her crew survived.[323]

23 April

List of shipwrecks: 23 April 1917

Ship	Country	Description
Acadian	Norway	World War I: The barque was scuttled in the Atlantic Ocean 65 nautical miles (120 km) north west of Tory Island, County Donegal, United Kingdom (55°44′N 9°30′W / 55.733°N 9.500°W) by SM U-52 ( Kaiserliche Marine). Her crew survived.[324]
Auriac	United Kingdom	World War I: The coaster was shelled and sunk in the North Sea 5 nautical miles (9.3 km) east south east of St Abb's Head, Berwickshire by SM UC-44 ( Kaiserliche Marine) with the loss of a crew member.[10][325]
Bandiera E. Moro	United Kingdom	World War I: The cargo ship was sunk in the Atlantic Ocean 50 nautical miles (93 km) west of Tangier, Morocco by SM U-35 ( Kaiserliche Marine). Her crew survived.[326]
Baron Stjernblad	Denmark	World War I: The coaster was sunk in the North Sea 5 nautical miles (9.3 km) north east of Eyemouth, Berwickshire by SM UC-44 ( Kaiserliche Marine). Her crew survived.[327]
Boro	Italy	World War I: The sailing vessel was sunk in the Aegean Sea east of Rhodes, Greece by SM UB-42 ( Kaiserliche Marine).[328]
Calluna	Denmark	World War I: The barque was sunk in the Atlantic Ocean south west of the Isles of Scilly, United Kingdom (48°51′N 8°38′W / 48.850°N 8.633°W) by SM U-61 ( Kaiserliche Marine). Her crew survived.[329]
Cenobic	Belgium	World War I: The fishing vessel struck a mine and sank in the English Channel off Le Tréport, Seine-Maritime, France with the loss of four of her crew.[330]
Dykland	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 200 nautical miles (370 km) west north west of the Fastnet Rock by SM U-50 ( Kaiserliche Marine). Her crew survived.[10][331]
Eptapyrgion	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 150 nautical miles (280 km) west of the Isles of Scilly by SM U-53 ( Kaiserliche Marine). Her crew survived.[10][332]
Imataka	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Irish Sea 15 nautical miles (28 km) south south west of the Daunt Rock by SM UC-47 ( Kaiserliche Marine). Her crew survived.[10][333]
Lena	United Kingdom	World War I: The cargo ship was sunk in the Atlantic Ocean south west of the Isles of Scilly (48°45′N 8°30′W / 48.750°N 8.500°W) by SM U-61 ( Kaiserliche Marine) with the loss of all 25 crew.[334]
HMT Lena Melling	Royal Navy	World War I: The naval trawler struck a mine and sank in the North Sea off the Elbow Lightship ( United Kingdom) (51°22′30″N 1°33′30″E / 51.37500°N 1.55833°E) with the loss of eleven of her crew.[335]
Marita	Norway	World War I: The full-rigged ship was sunk in the Atlantic Ocean 110 nautical miles (200 km) west of St. Kilda, Inverness-shire, United Kingdom (58°21′N 10°34′W / 58.350°N 10.567°W) by SM U-82 ( Kaiserliche Marine). Her crew survived.[336]
Oswald	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 200 nautical miles (370 km) south west of the Fastnet Rock by SM U-50 ( Kaiserliche Marine). Her crew survived.[10][337]
HMT Rose II	Royal Navy	World War I: The naval trawler struck a mine and sank in the Irish Sea off Belfast, County Down (54°44′N 5°38′W / 54.733°N 5.633°W) with the loss of six of her crew.[338]
Savio	Italy	World War I: The cargo ship was sunk in the Bay of Biscay 20 nautical miles (37 km) south east of Belle Île, Morbihan, France by SM UC-36 ( Kaiserliche Marine). Her crew survived.[339]
Scot	Denmark	World War I: The cargo ship was sunk in the North Sea 12 nautical miles (22 km) east by north of St Abb's Head (56°02′N 1°46′W / 56.033°N 1.767°W) by SM UC-44 ( Kaiserliche Marine). Her crew survived.[340]
Stegg	Norway	World War I: The coaster was sunk in the North Sea (60 nautical miles (110 km) east of Lerwick, Shetland Islands, United Kingdom (60°41′N 0°37′E / 60.683°N 0.617°E) by SM UC-41 ( Kaiserliche Marine) with the loss of a crew member.[341]
Svanen	Denmark	World War I: The full-rigged ship was sunk in the Atlantic Ocean 30 nautical miles (56 km) west north west of Muckle Flugga, Shetland Islands by SM U-60 ( Kaiserliche Marine) with the loss of two crew.[342]

24 April

List of shipwrecks: 24 April 1917

Ship	Country	Description
Amulree	United Kingdom	World War I: The barque was sunk in the Atlantic Ocean 50 nautical miles (93 km) north by east of Tory Island, County Donegal (56°10′N 8°40′W / 56.167°N 8.667°W) by SM U-81 ( Kaiserliche Marine). Her crew survived.[343]
Anglesea	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 160 nautical miles (300 km) south west of the Bishop Rock, Isles of Scilly (48°56′N 10°17′W / 48.933°N 10.283°W) by SM U-53 ( Kaiserliche Marine). Her crew survived.[344]
Barnton	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Bay of Biscay 40 nautical miles (74 km) west by south of Pointe de Chassiron, Île d'Oléron, Charente-Maritime, France (45°40′N 2°12′W / 45.667°N 2.200°W) by SM UC-21 ( Kaiserliche Marine) with the loss of fourteen of her crew.[10][345]
Bien Aime Prof. Luigi	United Kingdom	World War I: The sailing vessel was scuttled in the Atlantic Ocean off Cape St. Vincent, Portugal (36°53′N 9°10′W / 36.883°N 9.167°W) by SM U-35 ( Kaiserliche Marine).[346]
Clan Galbraith	Norway	World War I: The four-masted barque was scuttled in the Atlantic Ocean west of Ireland (52°30′N 14°00′W / 52.500°N 14.000°W) by SM U-70 ( Kaiserliche Marine). Her crew survived.[347]
Cordelia	Sweden	World War I: The barque was shelled and sunk in the Atlantic Ocean (51°08′N 15°13′W / 51.133°N 15.217°W) by SM U-43 ( Kaiserliche Marine). Her crew survived.[93][348]
Eos	Denmark	World War I: The three-masted schooner was sunk in the Atlantic Ocean west of Ireland (52°40′N 14°45′W / 52.667°N 14.750°W) by SM U-70 ( Kaiserliche Marine). Her crew survived.[349]
Ferndene	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 150 nautical miles (280 km) west of the Bishop Rock by SM U-53 ( Kaiserliche Marine) with the loss of nine crew.[10][350]
Heather	United Kingdom	World War I: The drifter was scuttled in the Atlantic Ocean 14 nautical miles (26 km) west by nort of the Bishop Rock (49°52′N 6°48′W / 49.867°N 6.800°W) by SM UC-47 ( Kaiserliche Marine). Her crew survived.[351]
Kenilworth	United Kingdom	World War I: The cargo ship struck a mine and sank in the Atlantic Ocean 3.5 nautical miles (6.5 km) west by south of Point St. Mathieu, Finistère, France (48°17′N 4°48′W / 48.283°N 4.800°W) by SM UC-36 ( Kaiserliche Marine). Her crew survived.[352]
La Providence	France	World War I: The schooner was sunk in the Loire Estuary by SM UC-36 ( Kaiserliche Marine).[353]
HMT Margate	Royal Navy	World War I: The naval trawler was shelled and sunk in the North Sea off Spurn Head, Yorkshire by SM UC-50 ( Kaiserliche Marine) with the loss of thirteen of her crew.[354]
Marie Blanche	France	World War I: The sailing vessel was sunk in the English Channel 30 nautical miles (56 km) north of Cherbourg, Seine Maritime (50°08′N 1°37′W / 50.133°N 1.617°W) by SM UB-32 ( Kaiserliche Marine) with the loss of a crew member.[355]
Mayfly	United Kingdom	World War I: The trawler was shelled and sunk in the North Sea 75 nautical miles (139 km) north east by east of Scarborough, Yorkshire by SM UC-50 ( Kaiserliche Marine) with the loss of three of her crew.[356]
Metropolis	Norway	World War I: The four-masted barque was scuttled in the Atlantic Ocean south west of the Isles of Scilly (48°30′N 11°15′W / 48.500°N 11.250°W) by SM U-61 ( Kaiserliche Marine). Her crew survived.[357]
Minister Tak van Poortvliet	Netherlands	World War I: The cargo ship was torpedoed and sunk in the North Sea 20 nautical miles (37 km) off IJmuiden, North Holland (52°42′N 3°32′E / 52.700°N 3.533°E) by SM UB-10 ( Kaiserliche Marine).[358]
Nordsøen	Denmark	World War I: The cargo ship was scuttled in the Atlantic Ocean off Cape St. Vincent (37°02′N 8°54′W / 37.033°N 8.900°W) by SM U-35 ( Kaiserliche Marine). Her crew survived.[359]
Plutus	United Kingdom	World War I: The collier was torpedoed and sunk in the Atlantic Ocean 9 nautical miles (17 km) north West of Trevose Head, Cornwall (50°41′N 5°07′W / 50.683°N 5.117°W) by SM UC-47 ( Kaiserliche Marine) with the loss if a crew member.[10][16][360]
Thistleard	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 135 nautical miles (250 km) west north west of Tory Island (55°10′N 12°00′W / 55.167°N 12.000°W) by SM U-82 ( Kaiserliche Marine). Her crew survived.[10][361]
Torvore	Norway	World War I: The cargo ship was sunk in the Atlantic Ocean off Cape St. Vincent (37°00′N 8°54′W / 37.000°N 8.900°W) by SM U-35 ( Kaiserliche Marine). Her crew survived.[362]
Upton Castle	United Kingdom	World War I: The trawler was scuttled in the North Sea 60 nautical miles (110 km) east of the Longstone Lighthouse, Northumberland by SM UC-29 ( Kaiserliche Marine). Her crew survived.[363]
Valkyrian	Sweden	World War I: The three-masted schooner was shelled and sunk in the Atlantic Ocean south west of Ireland by SM U-70 ( Kaiserliche Marine) with the loss of a crew member.[364]
Vestdal	Norway	World War I: The full-rigged ship was shelled and sunk in the Atlantic Ocean 280 nautical miles (520 km) west of Ireland (52°19′N 15°18′W / 52.317°N 15.300°W) by SM U-70 ( Kaiserliche Marine) with the loss of a crew member.[365]
Vilhelm Krag	Norway	World War I: The cargo ship was sunk in the Atlantic Ocean 5 nautical miles (9.3 km) west of the Pildale Lighthouse, Portugal (37°03′N 8°44′W / 37.050°N 8.733°W) by SM U-35 ( Kaiserliche Marine). Her crew survived.[366]

25 April

List of shipwrecks: 25 April 1917

Ship	Country	Description
Abosso	United Kingdom	World War I: The passenger ship was torpedoed and sunk in the Atlantic Ocean 180 nautical miles (330 km) west by north of the Fastnet Rock (57°10′N 14°58′W / 57.167°N 14.967°W) by SM U-43 ( Kaiserliche Marine) with the loss of 65 lives.[10][367]
Baigorry	France	World War I: The cargo ship was scuttled in the Bay of Biscay 15 nautical miles (28 km) south south east of Belle Île, Morbihan (47°04′N 2°54′W / 47.067°N 2.900°W) by SM UC-21 ( Kaiserliche Marine). Her crew survived.[368]
Ballarat	United Kingdom	World War I: The troopship was torpedoed and damaged in the Atlantic Ocean 24 nautical miles (44 km) south by west of the Wolf Rock, Cornwall (49°33′N 5°36′W / 49.550°N 5.600°W) by SM UB-32 ( Kaiserliche Marine). She was taken under tow but consequently sank (49°51′45″N 5°19′00″W / 49.86250°N 5.31667°W). Her crew survived.[369]
Elisabeth	Denmark	World War I: An attempt was made to scuttle the schooner in the Atlantic Ocean 70 to 80 nautical miles (130 to 150 km) south west of Ireland (51°02′N 12°05′W / 51.033°N 12.083°W) by SM U-53 ( Kaiserliche Marine). The derelict ship was discovered 180 nautical miles (330 km)) north west of the Fastnet Rock on 30 April by SM U-81 ( Kaiserliche Marine), which also attempted to scuttle her, but she was kept afloat by her cargo of Pitch Pine. Although declared a constructive total loss, she was subsequently repaired and returned to service.[370]
Elizabeth	Netherlands	World War I: The lugger was scuttled in the North Sea (52°36′N 3°40′E / 52.600°N 3.667°E) by SM UB-10 ( Kaiserliche Marine). Her crew survived.[371]
Este	Denmark	World War I: The barque was sunk in the North Sea 50 nautical miles (93 km) west of Egerø, Norway (58°25′N 3°48′E / 58.417°N 3.800°E) by SM UB-34 ( Kaiserliche Marine). Her crew survived.[372]
Etendard	French Navy	World War I: The Branlebas-class destroyer was torpedoed and sunk in the North Sea off Dunquerque, Nord with the loss of all hands.[373]
Glenesk	Norway	World War I: The barque was scuttled in the Atlantic Ocean 75 nautical miles (139 km) west north west of Eagle Island, County Mayo, United Kingdom by SM U-81 ( Kaiserliche Marine). Her crew survived.[374]
Havila	Denmark	World War I: The barque was sunk on the Atlantic Ocean 15 nautical miles (28 km) east north east of North Rona,United Kingdom by SM U-58 ( Kaiserliche Marine). Her crew survived.[375]
Hawthornbank	Denmark	World War I: The barque was sunk in the Atlantic Ocean 35 nautical miles (65 km) north by east of North Rona by SM U-58 ( Kaiserliche Marine) with the loss of nine crew.[376]
Heathfield	Norway	World War I: The barque was scuttled in the Atlantic Ocean 53 nautical miles (98 km) west by north of Eagle Island by SM U-81 ( Kaiserliche Marine). Her crew survived.[377]
Hesperides	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 130 nautical miles (240 km) north west of the Fastnet Rock (52°00′N 13°50′W / 52.000°N 13.833°W) by SM U-69 ( Kaiserliche Marine) with the loss of a crew member.[10][378]
Hirondelle	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Bay of Biscay 13 nautical miles (24 km) south by east of Belle Île, Morbihan, France by SM UC-36 ( Kaiserliche Marine). Her crew survived.[379]
Invermay	United Kingdom	World War I: The barque was scuttled in the Atlantic Ocean 40 nautical miles (74 km) north west by north of Eagle Island (54°40′N 11°00′W / 54.667°N 11.000°W) by SM U-81 ( Kaiserliche Marine). Her crew survived.[380]
Laura	United Kingdom	World War I: The schooner was set afire and sunk in the Atlantic Ocean 150 nautical miles (280 km) west north west of the Fastnet Rock (51°20′N 13°30′W / 51.333°N 13.500°W) by SM U-53 ( Kaiserliche Marine). Her crew survived.[381]
Stephanosis	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 180 nautical miles (330 km) south west of the Fastnet Rock by SM U-82 ( Kaiserliche Marine) with the loss of six of her crew.[10][382]
Sokoto	Denmark	World War I: The barque was sunk in the Atlantic Ocean 15 nautical miles (28 km) north east by north of North Rona by SM U-58 ( Kaiserliche Marine). Her crew survived.[383]
Swanmore	United Kingdom	World War I: The cargo ship was shelled and damaged in the Atlantic Ocean 230 nautical miles (430 km) west north west of the Fastnet Rock by SM U-43 and SM U-93 (both  Kaiserliche Marine) She was then torpedoed and sunk by SM U-50 ( Kaiserliche Marine) with the loss of eleven crew.[384]

26 April

List of shipwrecks: 26 April 1917

Ship	Country	Description
Active	United Kingdom	World War I: The trawler was scuttled in the North Sea 65 nautical miles (120 km) east by south of the Longstone Lighthouse by SM UC-50 ( Kaiserliche Marine). Her crew survived.[385]
Agnes Cairns	United Kingdom	World War I: The sailing vessel was scuttled in the English Channel 8 nautical miles (15 km) north east of Alderney, Channel Islands by SM UC-65 ( Kaiserliche Marine). Her crew survived.[386]
Aigle	France	World War I: The brigantine was scuttled in the English Channel 11 nautical miles (20 km) south west of Start Point, Devon, United Kingdom by SM UC-47 ( Kaiserliche Marine).[387]
Alhama	United Kingdom	World War I: The cargo ship struck a mine and sank in the English Channel off Calais, Pas-de-Calais, France. Her crew survived.[388]
Amsteldijk	Netherlands	World War I: The trawler was sunk in the North Sea off the Haaks Lightship ( Netherlands) (52°56′N 4°10′E / 52.933°N 4.167°E) by SM UC-63 ( Kaiserliche Marine). Her crew were rescued by the trawler Voorbode ( Netherlands.[389]
Athole	United Kingdom	World War I: The auxiliary ketch was shelled and sunk in the English Channel 20 nautical miles (37 km) south of the Owers Lightship ( United Kingdom) by SM UC-65 ( Kaiserliche Marine). Her crew survived.[390]
Augusta	Italy	The barque was scuttled in the Mediterranean Sea north east of Cap Bon, Tunisia (37°22′N 11°31′E / 37.367°N 11.517°E) by SM UC-27 ( Kaiserliche Marine).[391]
Boy Dennis	United Kingdom	World War I: The fishing vessel was scuttled in the English Channel 10 nautical miles (19 km) south south west of Start Point, Devon by SM UC-21 ( Kaiserliche Marine). Her crew survived.[392]
Bretagne et Vendée	France	World War I: The sailing vessel was sunk in the English Channel off Alderney (49°51′N 2°04′W / 49.850°N 2.067°W) by SM UC-65 ( Kaiserliche Marine).[393]
Chertsey	United Kingdom	World War I: The collier was torpedoed and sunk in the Mediterranean Sea 4 nautical miles (7.4 km) north of Algiers, Algeria (36°52′N 3°05′W / 36.867°N 3.083°W) by SM UC-67 ( Kaiserliche Marine). Her crew survived.[10][287][394]
Ehrglis	Russia	World War I: The sailing vessel was set afire and sunk in the Atlantic Ocean (51°50′N 17°49′W / 51.833°N 17.817°W) by SM U-43 ( Kaiserliche Marine).[395]
Gennarino	Italy	World War I: The three-masted schooner was scuttled in the Mediterranean Sea off Cap Bon (37°26′N 11°26′E / 37.433°N 11.433°E) by SM UC-27 ( Kaiserliche Marine).[396]
Harflete	United Kingdom	World War I: The cargo ship was torpedoed, shelled and sunk in the Atlantic Ocean 200 nautical miles (370 km) north west by west of the Fastnet Rock (51°54′N 14°48′W / 51.900°N 14.800°W) by SM U-70 ( Kaiserliche Marine) with the loss of a crew member.[10][397]
Hekla	Norway	World War I: The three-masted schooner was sunk in the Atlantic Ocean 120 nautical miles (220 km) north west of the Slyne Head Lighthouse, County Galway, United Kingdom by SM U-53 ( Kaiserliche Marine). Her crew survived.[398]
Hektoria	Norway	World War I: The cargo ship was sunk in the Atlantic Ocean (50°38′N 18°40′W / 50.633°N 18.667°W) by SM U-43 ( Kaiserliche Marine). Her crew survived.[399]
John Lockett	Norway	World War I: The barque was scuttled in the English Channel 25 nautical miles (46 km) south of The Lizard, Cornwall, United Kingdom (49°32′N 5°05′W / 49.533°N 5.083°W) by SM UC-47 ( Kaiserliche Marine). Her crew survived.[400]
Kong Oscar II	Norway	World War I: The sailing vessel was sunk in the Seine Estuary by SM UB-38 ( Kaiserliche Marine). Her crew survived.[401]
Monitor	United Kingdom	World War I: The schooner was scuttled in the Mediterranean Sea 20 nautical miles (37 km) south by east of Cap d'Antibes, Alpes-Maritimes, France (43°11′N 7°52′E / 43.183°N 7.867°E) by SM U-33 ( Kaiserliche Marine). Her crew survived.[402]
HMT Plantin	Royal Navy	World War I: The naval trawler struck a mine and sank in the English Channel 3 nautical miles (5.6 km) east of Anvil Point, Dorset with the loss of nine of her crew.[403]
HMT Repro	Royal Navy	World War I: The naval trawler struck a mine and sank in the North Sea off Tod Head, Aberdeenshire (56°53′N 2°08′W / 56.883°N 2.133°W) with the loss of thirteen of her crew.[404]
Rio Lages	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 155 nautical miles (287 km) north west by north of the Fastnet Rock (51°38′N 12°52′W / 51.633°N 12.867°W) by SM U-69 ( Kaiserliche Marine) with the loss of three of her crew.[10][405]
Telefon	Norway	World War I: The sailing vessel was sunk in the North Sea (54°57′N 1°48′E / 54.950°N 1.800°E) by SM UC-50 ( Kaiserliche Marine). Her crew survived.[406]
Vauxhall	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 110 nautical miles (200 km) north west by west of the Fastnet Rock (51°45′N 12°30′W / 51.750°N 12.500°W) by SM U-69 ( Kaiserliche Marine) with the loss of two of her crew.[10][407]

27 April

List of shipwrecks: 27 April 1917

Ship	Country	Description
HMT Agile	Royal Navy	World War I: The naval trawler struck a mine and sank in the North Sea 3 nautical miles (5.6 km) east of the Sunk Lightship ( United Kingdom) with the loss of three of her crew.[408]
HMS Alfalfa	Royal Navy	World War I: The collier was sunk in the Atlantic Ocean 30 nautical miles (56 km) off the Isles of Scilly (49°15′N 6°20′W / 49.250°N 6.333°W) by SM UB-32 ( Kaiserliche Marine) with the loss of 30 crew.[287][409]
Beemah	United Kingdom	World War I: The collier was torpedoed and sunk in the Atlantic Ocean 30 nautical miles (56 km) south west by south of the Bishop Rock, Isles of Scilly by SM UB-32 ( Kaiserliche Marine) with the loss of three of her crew.[287][410]
Burrowa	United Kingdom	The four-masted barque was scuttled in the Atlantic Ocean 60 nautical miles (110 km) west of the Isles of Scilly by SM UC-65 ( Kaiserliche Marine). Her crew survived.[411]
Dromore	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 140 nautical miles (260 km) west of Tory Island, County Donegal (56°30′N 11°40′W / 56.500°N 11.667°W) by SM U-58 ( Kaiserliche Marine). Her crew survived.[412]
Dunmore Head	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 135 nautical miles (250 km) west of Tory Island (56°12′N 12°00′W / 56.200°N 12.000°W) by SM U-62 ( Kaiserliche Marine). Her crew survived.[10][413]
Glencluny	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 4 nautical miles (7.4 km) north west of Cape Sigli, Algeria by SM UC-67 ( Kaiserliche Marine) with the loss of four of her crew.[10][414]
Good Hope	United Kingdom	World War I: The ketch was shelled and sunk in the English Channel 15 nautical miles (28 km) north north west of Barfleur, Manche, France by SM UC-72 ( Kaiserliche Marine). Her crew survived.[415]
Inveramsay	United Kingdom	World War I: The barque was shelled and sunk in the Atlantic Ocean north west of Ireland (56°00′N 11°30′W / 56.000°N 11.500°W) by SM U-62 ( Kaiserliche Marine) with the loss of all hands.[416]
Jessie	United Kingdom	World War I: The schooner was scuttled in the English Channel 7 nautical miles (13 km) west of Portland Bill, Dorset by SM UB-38 ( Kaiserliche Marine). Her crew survived.[417]
Karuma	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Mediterranean Sea 5 nautical miles (9.3 km) north of Cape Sigle (37°09′N 4°50′E / 37.150°N 4.833°E) by SM UC-67 ( Kaiserliche Marine) with the loss of two of her crew.[10][418]
Langfond	Norway	World War I: The cargo ship was sunk in the Atlantic Ocean (58°49′N 10°53′W / 58.817°N 10.883°W) by SM U-58 ( Kaiserliche Marine). Her crew survived.[419]
Mafalda	Italy	World War I: The brigantine was scuttled in the Mediterranean Sea (43°06′N 7°40′E / 43.100°N 7.667°E) by SM U-33 ( Kaiserliche Marine).[420]
Manchester Citizen	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 240 nautical miles (440 km) north west of the Fastnet Rock (52°30′N 15°40′W / 52.500°N 15.667°W) by SM U-70 ( Kaiserliche Marine) with the loss of a crew member.[421]
Margaret B. Rouss	United States	The schooner was sunk in the Mediterranean Sea 42 nautical miles (78 km) south of Monaco by SM U-33 ( Kaiserliche Marine). Her crew survived.[422]
Nidelven	Norway	World War I: The cargo ship struck a mine and sank in the North Sea 10 nautical miles (19 km) north east of Coquet Island, Northumberland, United Kingdom (55°29′N 1°27′W / 55.483°N 1.450°W) with the loss of three of her crew.[423]
Ragnhild	Norway	World War I: The cargo ship struck a mine and sank in the North Sea 10 nautical miles (19 km) north of the mouth of the River Tyne (55°16′N 1°22′W / 55.267°N 1.367°W) with the loss of two of her crew.[424]
Uranus	Italy	World War I: The cargo ship was sunk in the Atlantic Ocean 60 nautical miles (110 km) west of the Fastnet Rock by SM U-81 ( Kaiserliche Marine).[425]
Verjø	Norway	World War I: The cargo ship was sunk in the Atlantic Ocean 10 nautical miles (19 km) north of the Stiff Lighthouse, Ouessant, Finistère, France by SM UC-36 ( Kaiserliche Marine) with the loss of ten of her crew.[426]

28 April

List of shipwrecks: 28 April 1917

Ship	Country	Description
Alu Mendi	Spain	World War I: The cargo ship was sunk in the Atlantic Ocean 12 nautical miles (22 km) south south east of the Tuskar Rock, Ireland by SM UC-65 ( Kaiserliche Marine).[427]
Anne Marie	Norway	World War I: The sailing vessel was sunk in the Atlantic Ocean 160 nautical miles (300 km) north west of Ireland by SM U-70 ( Kaiserliche Marine). Her crew survived.[428]
Bullmouth	United Kingdom	World War I: The tanker was torpedoed and sunk in the Atlantic Ocean 125 nautical miles (232 km) north west by west of Tory Island, County Donegal (58°34′N 10°50′W / 58.567°N 10.833°W) by SM U-58 ( Kaiserliche Marine). Her crew survived.[10][429]
Carmelo Padre	Italy	World War I: The sailing vessel was sunk in the Strait of Messina by SM U-63 ( Kaiserliche Marine).[430]
Condor	Russia	World War I: The cargo ship was sunk in the Atlantic Ocean 90 nautical miles (170 km) west of Ouessant, Finistère, France by SM UC-36 ( Kaiserliche Marine).[431]
Diana	Denmark	World War I: The barquentine was damaged in the Atlantic Ocean 200 nautical miles (370 km) south west of the Fastnet Rock (49°40′N 13°10′W / 49.667°N 13.167°W) by SM U-93 ( Kaiserliche Marine). She was subsequently towed in to Queenstown, County Cork, United Kingdom where she was declared a total loss. Diana was later repaired and returned to service.[432]
Giuseppe Padre I	Italy	World War I: The sailing vessel was sunk in the Strait of Messina by SM U-63 ( Kaiserliche Marine).[433]
Giuseppina G.	Italy	World War I: The sailing vessel was sunk in the Strait of Messina by SM U-63 ( Kaiserliche Marine).[434]
I Due Fratelli P.	Italy	World War I: The sailing vessel was sunk in the Strait of Messina by SM U-63 ( Kaiserliche Marine).[435]
Jose de Larrinaga	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 150 nautical miles (280 km) west north west of the Fastnet Rock (51°32′N 13°20′W / 51.533°N 13.333°W) by SM U-81 ( Kaiserliche Marine) with the loss of twelve crew.[436]
Juliette	France	World War I: The sailing vessel struck a mine and sank in the Mediterranean Sea off Mostaganem, Algeria.[437]
Karonga	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Strait of Messina 2 nautical miles (3.7 km) south south east of Cape Schio, Italy by SM U-63 ( Kaiserliche Marine) with the loss of eighteen crew. Her captain was taken as a prisoner of war.[10][438]
Lisetta	Italy	World War I: The fishing vessel was sunk in the Mediterranean Sea 8 nautical miles (15 km) west of the Îles Sanguinaires, France by SM U-33 ( Kaiserliche Marine). Her crew survived.[439]
Medina	United Kingdom	World War I: The passenger ship was torpedoed and sunk in the English Channel off Start Point, Devon (50°15′N 3°30′W / 50.250°N 3.500°W) by SM UB-31 ( Kaiserliche Marine).
Natale B.	Italy	World War I: The sailing vessel was sunk in the Strait of Messina by SM U-63 ( Kaiserliche Marine).[440]
Niobe	Italy	World War I: The sailing vessel was sunk in the Mediterranean Sea off Malta by SM UC-37 ( Kaiserliche Marine).[441]
Olga	Russia	World War I: The cargo ship was shelled and sunk in the Barents Sea 89 nautical miles (165 km) off the North Cape, Finnmark, Norway by SM U-45 ( Kaiserliche Marine).[442]
Pontiac	United Kingdom	World War I: The cargo ship was sunk in the Mediterranean Sea 70 nautical miles (130 km) north east of Marsa Susa, Libya (34°04′N 22°06′E / 34.067°N 22.100°E) by SM UC-74 ( Kaiserliche Marine) with the loss of a crew member. Four of the survivors were taken as prisoners of war.[443]
Port Jackson	United Kingdom	World War I: The four-masted barque was torpedoed and sunk in the Atlantic Ocean 180 nautical miles (330 km) west by north of the Fastnet Rock (51°00′N 14°02′W / 51.000°N 14.033°W) by SM U-67 ( Kaiserliche Marine) with the loss of fourteen crew.[444]
Pursue	United Kingdom	World War I: The fishing vessel was scuttled in the English Channel 12 nautical miles (22 km) south west of Bolt Head, Devon by SM UB-32 ( Kaiserliche Marine). Her crew survived.[445]
San Francesco Di Paola	Italy	World War I: The sailing vessel was sunk in the Strait of Messina by SM U-63 ( Kaiserliche Marine).[446]
Teakwood	United Kingdom	World War I: The tanker was torpedoed and sunk in the Aegean Sea 26 nautical miles (48 km) south west by west of Sapientza, Greece (36°39′N 21°10′E / 36.650°N 21.167°E) by SM U-14 ( Austro-Hungarian Navy). Her crew survived.[10][447]
Terence	United Kingdom	World War I: The cargo ship was shelled and sunk in the Atlantic Ocean 150 nautical miles (280 km) west by north of the Fastnet Rock (52°40′N 12°55′W / 52.667°N 12.917°W) by SM U-81 ( Kaiserliche Marine) with the loss of a crew member.[10][448]
Vacuum	United States	World War I: The tanker was sunk in the Atlantic Ocean 120 nautical miles (220 km) west of Barra, Outer Hebrides, United Kingdom (57°20′N 10°10′W / 57.333°N 10.167°W) by SM U-44 ( Kaiserliche Marine) with the loss of 24 crew.[449]

29 April

List of shipwrecks: 29 April 1917

Ship	Country	Description
Askepot	Norway	World War I: The full-rigged ship was scuttled in the Atlantic Ocean 125 nautical miles (232 km) west of the Isles of Scilly, United Kingdom (49°48′N 9°17′W / 49.800°N 9.283°W) by SM U-21 ( Kaiserliche Marine). Her crew survived.[450]
Bayonnais	France	World War I: The fishing vessel was scuttled in the Bay of Biscay off Guilvinec, Finistère by SM UC-72 ( Kaiserliche Marine) with the loss of all four crew.[451]
Carbo I	Denmark	World War I: The cargo ship was sunk in the North Sea (55°56′N 2°06′E / 55.933°N 2.100°E) by SM UC-29 ( Kaiserliche Marine). Her crew survived.[452]
Comedian	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 200 nautical miles (370 km) west of the Bishop Rock, Isles of Scilly (48°06′N 10°45′W / 48.100°N 10.750°W) by SM U-93 ( Kaiserliche Marine). Her crew survived.[10][453]
Daleby	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 180 nautical miles (330 km) north west of the Fastnet Rock by SM U-70 ( Kaiserliche Marine) with the loss of 25 crew.[10][454]
Dilston Castle	United Kingdom	World War I: The trawler was scuttled in the North Sea 16 nautical miles (30 km) east by south of Aberdeen (57°10′N 1°32′W / 57.167°N 1.533°W) by SM UB-22 ( Kaiserliche Marine). Her crew survived.[40][455]
Ellen Harrison	United Kingdom	World War I: The schooner was shelled and sunk in the English Channel 7 nautical miles (13 km) north west of Cherbourg, Seine-Maritime, France by SM UB-32 ( Kaiserliche Marine). Her crew survived.[10][456]
Eugènie et Lucie	France	World War I: The sailing vessel was sunk in the Bay of Biscay off Audierne, Finistère by SM UC-72 ( Kaiserliche Marine).[457]
Frère des Cinq Soeurs	France	World War I: The sailing vessel was sunk in the Bay of Biscay off Audierne by SM UC-72 ( Kaiserliche Marine) Her crew survived.[458]
Giuseppe Maria	Italy	World War I: The sailing vessel was sunk in the Strait of Sicily by SM UC-37 ( Kaiserliche Marine).[459]
Hurlford	United Kingdom	The collier was wrecked in Gunna Sound, Scotland.[460]
Ikbal	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 200 nautical miles (370 km) west by south of the Bishop Rock (48°34′N 12°35′W / 48.567°N 12.583°W) by SM U-93 ( Kaiserliche Marine). Her crew survived, but three of them were taken as prisoners of war.[10][461]
Mermaid	United Kingdom	World War I: The schooner was scuttled in the English Channel 18 nautical miles (33 km) south south west of Anvil Point, Devon by SM UB-32 ( Kaiserliche Marine). Her crew survived.[462]
Petit Ernest	France	World War I: The fishing vessel was scuttled in the Bay of Biscay off Guilvinec by SM UC-72 ( Kaiserliche Marine) with the loss of all three crew.[463]
Victoria	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the North Sea 5 nautical miles (9.3 km) north east by north of Scarborough, Yorkshire by SM UB-21 ( Kaiserliche Marine) with the loss of a crew member.[10][464]

30 April

List of shipwrecks: 30 April 1917

Ship	Country	Description
HMT Arfon	Royal Navy	World War I: The naval trawler struck a mine and sank in the English Channel off St Alban's Head, Dorset (50°30′N 2°10′W / 50.500°N 2.167°W) with the loss of ten of her crew.[465]
Argo	United Kingdom	World War I: The trawler was shelled and sunk in the North Sea 15 nautical miles (28 km) east of Buchan Ness, Aberdeenshire by SM UB-22 ( Kaiserliche Marine). Her crew survived.[40][466]
Ascaro	Italy	World War I: The cargo ship was sunk in the Atlantic Ocean south west of Ireland (49°10′N 11°40′W / 49.167°N 11.667°W) by SM U-93 ( Kaiserliche Marine).[467]
Borrowdale	Russia	World War I: The barque was stopped and sunk in the Atlantic Ocean south of Ireland (49°00′N 10°20′W / 49.000°N 10.333°W) by SM U-21 ( Kaiserliche Marine). Her crew survived.[468]
Chrisomalli Th. Sifneo	Greece	World War I: The cargo ship was sunk in the Mediterranean Sea east of Algiers, Algeria (36°55′N 4°02′E / 36.917°N 4.033°E) by SM U-33 ( Kaiserliche Marine). Her crew survived.[469]
Colbert	France	World War I: The troopship was torpedoed and sunk in the Mediterranean Sea (37°05′N 8°22′E / 37.083°N 8.367°E) by SM UC-37 ( Kaiserliche Marine) with the loss of 51 lives.[470]
Delamere	United Kingdom	World War I: The UAC 1,525 tons cargo ship was torpedoed and sunk in the Atlantic Ocean 110 nautical miles (200 km) west by north of the Fastnet Rock (51°40′N 13°00′W / 51.667°N 13.000°W) by SM U-70 ( Kaiserliche Marine) with the loss of ten crew.[10][471]
Eden	Norway	World War I: The cargo ship was sunk in the English Channel off Worthing, West Sussex, United Kingdom (50°48′N 0°22′W / 50.800°N 0.367°W) by SM UC-70 ( Kaiserliche Marine). Her crew survived.[472]
Fortunata	Italy	World War I: The cargo ship was sunk in the Atlantic Ocean 130 nautical miles (240 km) west of the Fastnet Rock by SM U-62 ( Kaiserliche Marine). Her crew survived.[473]
Gorizia	Uruguay	World War I: The cargo ship struck a mine and sank in the English Channel 17 nautical miles (31 km) west by north of Portland Bill, Dorset (50°36′N 2°55′W / 50.600°N 2.917°W).[474]
Horsa	United Kingdom	World War I: The cargo ship was torpedoed and sunk in the Atlantic Ocean 195 nautical miles (361 km) south west by west of the Fastnet Rock (48°43′N 12°35′W / 48.717°N 12.583°W) by SM U-93 ( Kaiserliche Marine) with the loss of eleven of her crew. One of the survivors was taken as a prisoner of war.[10][475]
Jarstein	Norway	World War I: The sailing vessel was sunk in the North Sea 80 nautical miles (150 km) south west by west of the Egerä Lighthouse (57°35′N 4°15′E / 57.583°N 4.250°E) by SM U-61 ( Kaiserliche Marine). Her crew survived.[476]
Little Mystery	United Kingdom	World War I: The schooner was scuttled in the English Channel off Portland Bill by SM UC-61 ( Kaiserliche Marine). Her crew survived.[477]
Parthenon	Greece	World War I: The cargo ship was sunk in the Atlantic Ocean 200 nautical miles (370 km) south west of the Fastnet Rock (49°25′N 11°58′W / 49.417°N 11.967°W) by SM U-93 ( Kaiserliche Marine).[478]
Portbail	France	World War I: The coaster was sunk in the English Channel north east of Cap Barfleur, Manche (50°05′N 0°55′W / 50.083°N 0.917°W) by SM UB-32 ( Kaiserliche Marine). Her crew survived.[479]
HMS Tulip	Royal Navy	World War I: The Aubretia-class sloop, operating as a Q-ship, was torpedoed and sunk in the Atlantic Ocean south west of Ireland by SM U-62 ( Kaiserliche Marine) with the loss of 102 crew. Her captain survived and was taken as a prisoner of war.[480]

Unknown date

List of shipwrecks: Unknown date 1917

Ship	Country	Description
Agia	Greece	World War I: The sailing vessel was sunk in the Mediterranean Sea off the coast of North Africa by SM UC-22 ( Kaiserliche Marine).[481]
Evangelistria	Greece	World War I: The sailing vessel was sunk in the Mediterranean Sea off the coast of North Africa by SM UC-22 ( Kaiserliche Marine).[482]
Kyriotis	Greece	World War I: The sailing vessel was sunk in the Mediterranean Sea off the coast of North Africa by SM UC-22 ( Kaiserliche Marine). Her crew survived.[483]

References

1. "Aztec". Uboat.net. Retrieved 8 October 2012.
2. "Bergenhus". Uboat.net. Retrieved 9 December 2012.
3. "Camilla". Uboat.net. Retrieved 4 November 2012.
4. "Consul Persson". Uboat.net. Retrieved 11 October 2012.
5. "Eastern Belle". Uboat.net. Retrieved 28 December 2012.
6. "Endymion". Uboat.net. Retrieved 2 November 2012.
7. "Ester". Uboat.net. Retrieved 4 November 2012.
8. "Fjelland". Uboat.net. Retrieved 11 October 2012.
9. "Jolie Brise". Uboat.net. Retrieved 4 November 2012.
10. "BRITISH MERCHANT SHIPS LOST to ENEMY ACTION Part 2 of 3 - January-August 1917 in date order". Naval History. Retrieved 23 January 2013.
11. "Maria Santissima D. Grazie". Uboat.net. Retrieved 17 October 2012.
12. "Maria T.". Uboat.net. Retrieved 17 October 2012.
13. "Providence De Dieu". Uboat.net. Retrieved 4 November 2012.
14. "Silvia". Uboat.net. Retrieved 5 November 2012.
15. "Warren". Uboat.net. Retrieved 8 December 2012.
16. "BRITISH NAVAL VESSELS LOST AT SEA Part 2 of 2 - M.15 (monitor) to Zylpha (Q-ship)". Naval History. Retrieved 12 February 2013.
17. "Zambesi". Uboat.net. Retrieved 15 October 2012.
18. "Britannia". Uboat.net. Retrieved 17 October 2012.
19. "Commandant". Uboat.net. Retrieved 21 November 2012.
20. "Filicudi". Uboat.net. Retrieved 9 December 2012.
21. "Havlyst". Uboat.net. Retrieved 11 October 2012.
22. "Lord Scarborough". Uboat.net. Retrieved 4 November 2012.
23. "Saggita". Uboat.net. Retrieved 20 October 2012.
24. "Snespurven". Uboat.net. Retrieved 12 October 2012.
25. "Zealandia wrecked 2 April 1917". Martyn Griff. Retrieved 25 November 2009.
26. "Annunziata A.". Uboat.net. Retrieved 9 December 2012.
27. "Ardgask". Uboat.net. Retrieved 4 October 2012.
28. "Caterina R.". Uboat.net. Retrieved 9 December 2012.
29. "Domenico". Uboat.net. Retrieved 9 December 2012.
30. "Ellen James". Uboat.net. Retrieved 26 December 2012.
31. "Ernest Simons". Uboat.net. Retrieved 8 December 2012.
32. "Hesperus". Uboat.net. Retrieved 8 October 2012.
33. "Maria Ferrara". Uboat.net. Retrieved 17 October 2012.
34. "Nuova Maria Di Porto Salvo". Uboat.net. Retrieved 9 December 2012.
35. "Saint Simon". Uboat.net. Retrieved 8 December 2012.
36. "Vasilefs Constantinos". Uboat.net. Retrieved 7 November 2012.
37. "City of Paris". Uboat.net. Retrieved 6 December 2012.
38. "Domingo". Uboat.net. Retrieved 13 October 2012.
39. "Gibraltar". Uboat.net. Retrieved 4 November 2012.
40. "BRITISH FISHING VESSELS LOST to ENEMY ACTION Part 2 of 2 - Years 1917, 1918 in date order". Naval History. Retrieved 2 February 2013.
41. "Hundvaago". Uboat.net. Retrieved 13 November 2012.
42. "Hunstanton". Uboat.net. Retrieved 3 December 2012.
43. "Maggie Ross". Uboat.net. Retrieved 4 November 2012.
44. "Margit". Uboat.net. Retrieved 15 October 2012.
45. "Marguerite". Uboat.net. Retrieved 4 October 2012.
46. "Missourian". Uboat.net. Retrieved 9 October 2012.
47. "Monte Protedigo". Uboat.net. Retrieved 3 December 2012.
48. "Parana". Uboat.net. Retrieved 2 November 2012.
49. "Parkgate". Uboat.net. Retrieved 4 October 2012.
50. "Penseiro". Uboat.net. Retrieved 26 December 2012.
51. "Ravenna". Uboat.net. Retrieved 9 October 2012.
52. "San Giovanni Battiste". Uboat.net. Retrieved 8 December 2012.
53. "Belgian Merchant P-Z" (PDF). Belgische Koopvaardij. Retrieved 1 December 2010.
54. "Trevier". Uboat.net. Retrieved 1 November 2012.
55. "Vladimir Reitz". Uboat.net. Retrieved 20 October 2012.
56. "Amiral L'Hermite". Uboat.net. Retrieved 12 October 2012.
57. "Angel Marina". Uboat.net. Retrieved 9 October 2012.
58. "Benheather". Uboat.net. Retrieved 8 October 2012.
59. "Bris". Uboat.net. Retrieved 20 October 2012.
60. "Calliope". Uboat.net. Retrieved 17 October 2012.
61. "Canadian". Uboat.net. Retrieved 12 October 2012.
62. "Dicto". Uboat.net. Retrieved 5 November 2012.
63. "Dunkerquois". Uboat.net. Retrieved 21 October 2012.
64. "Ebenezer". Uboat.net. Retrieved 12 October 2012.
65. Danmarks Skibsliste (PDF) (in Danish). Handelministriet. 1917. p. 115. Retrieved 12 October 2012.
66. "Ernest Legouve". Uboat.net. Retrieved 2 November 2012.
67. "Gower Coast". Uboat.net. Retrieved 26 December 2012.
68. "Marie Celine". Uboat.net. Retrieved 21 October 2012.
69. "N. J. Fjord". Uboat.net. Retrieved 3 December 2012.
70. "Roland". Uboat.net. Retrieved 12 October 2012.
71. "San Fulgencio". Uboat.net. Retrieved 26 December 2012.
72. "Belgian Merchant H-O" (PDF). Belgische Koopvaardij. Retrieved 31 October 2010.
73. "Siberier". Uboat.net. Retrieved 21 October 2012.
74. "Solstad". Uboat.net. Retrieved 15 October 2012.
75. "Vilja". Uboat.net. Retrieved 11 October 2012.
76. "Cybele". Uboat.net. Retrieved 1 December 2012.
77. "D/S Kongshaug". Warsailors. Retrieved 25 January 2012.
78. "La Tour D'auvergne". Uboat.net. Retrieved 5 November 2012.
79. "Lord Kitchener". Uboat.net. Retrieved 4 November 2012.
80. "Marion". Uboat.net. Retrieved 13 October 2012.
81. "Narberth Castle". Uboat.net. Retrieved 2 December 2012.
82. "Nestor". Uboat.net. Retrieved 2 December 2012.
83. "Perce Neige". Uboat.net. Retrieved 5 November 2012.
84. "Powhatan". Uboat.net. Retrieved 17 October 2012.
85. "Presto". Uboat.net. Retrieved 9 December 2012.
86. "Rahmanich". Uboat.net. Retrieved 5 December 2012.
87. "Recto". Uboat.net. Retrieved 4 November 2012.
88. "Rosalind". Uboat.net. Retrieved 22 October 2012.
89. "Spithead". Uboat.net. Retrieved 5 December 2012.
90. "Strathrannoch". Uboat.net. Retrieved 3 December 2012.
91. "Thelma". Uboat.net. Retrieved 24 December 2012.
92. "Vine Branch". Uboat.net. Retrieved 11 October 2012.
93. "Belgian Merchant A-G" (PDF). Belgische Koopvaardij. Retrieved 1 October 2010.
94. "Caminha". Uboat.net. Retrieved 26 December 2012.
95. "Ediwn R. Hunt". Uboat.net. Retrieved 1 December 2012.
96. "Fiskaa". Uboat.net. Retrieved 8 October 2012.
97. "Jason". Uboat.net. Retrieved 20 October 2012.
98. "Maplewood". Uboat.net. Retrieved 4 October 2012.
99. "Salmo". Uboat.net. Retrieved 13 October 2012.
100. "Seward". Uboat.net. Retrieved 9 October 2012.
101. "Trefusis". Uboat.net. Retrieved 17 October 2012.
102. "Alba". Uboat.net. Retrieved 9 October 2012.
103. "Major Warships Sunk in World War 1 1917". World War I. Retrieved 23 February 2013.
104. "Geilan Bahri". Uboat.net. Retrieved 5 December 2012.
105. "Livatho". Uboat.net. Retrieved 7 November 2012.
106. "Lucia". Uboat.net. Retrieved 17 October 2012.
107. "Nestos". Uboat.net. Retrieved 7 November 2012.
108. "Papa Gian Battista". Uboat.net. Retrieved 17 October 2012.
109. "Petridge". Uboat.net. Retrieved 11 October 2012.
110. "Torrington". Uboat.net. Retrieved 11 October 2012.
111. "Umvoti". Uboat.net. Retrieved 11 October 2012.
112. "Avon". Uboat.net. Retrieved 21 November 2012.
113. "Steamer sunk through collision." The Times (London). Wednesday, 2 April 1917. (41449), col B, p. 8.
114. "Esterel". Uboat.net. Retrieved 9 October 2012.
115. "Fremad I". Uboat.net. Retrieved 12 October 2012.
116. "Ganslei". Uboat.net. Retrieved 20 October 2012.
117. "Kittiwake". Uboat.net. Retrieved 2 November 2012.
118. "Ortho". Uboat.net. Retrieved 21 November 2012.
119. "Saint Maudez". Uboat.net. Retrieved 5 November 2012.
120. "Themistoclis". Uboat.net. Retrieved 26 December 2012.
121. "Valhall". Uboat.net. Retrieved 26 December 2012.
122. "Abd Razid". Uboat.net. Retrieved 26 November 2012.
123. "Dalton". Uboat.net. Retrieved 31 December 2012.
124. "P26". Uboat.net. Retrieved 1 December 2012.
125. "HMS P-26 (aft part) [+1917]". Wrecksite. Retrieved 18 February 2013.
126. "Pluto". Uboat.net. Retrieved 31 October 2012.
127. "Porto di Rodi". Uboat.net. Retrieved 30 September 2012.
128. "Ranvik". Uboat.net. Retrieved 26 December 2012.
129. "Amy". Uboat.net. Retrieved 1 December 2012.
130. "Ansgar". Uboat.net. Retrieved 9 October 2012.
131. "Candia". Uboat.net. Retrieved 26 November 2012.
132. "Cyfarthfa". Uboat.net. Retrieved 7 November 2012.
133. "Dunchess of Cornwall". Uboat.net. Retrieved 1 December 2012.
134. "Imperial Transport". Uboat.net. Retrieved 5 December 2012.
135. "Miss Morris". Uboat.net. Retrieved 4 October 2012.
136. "Nancy". Uboat.net. Retrieved 29 September 2012.
137. "Precedent". Uboat.net. Retrieved 5 November 2012.
138. "Quaggy". Uboat.net. Retrieved 3 December 2012.
139. "Sarvsfos". Uboat.net. Retrieved 9 October 2012.
140. "Saxo". Uboat.net. Retrieved 29 September 2012.
141. "Star". Uboat.net. Retrieved 29 September 2012.
142. "Sylfiden". Uboat.net. Retrieved 29 September 2012.
143. "Tremorvah". Uboat.net. Retrieved 17 October 2012.
144. "Angela M.". Uboat.net. Retrieved 17 October 2012.
145. "Caliban". Uboat.net. Retrieved 29 December 2012.
146. "Chinkiang". Uboat.net. Retrieved 29 December 2012.
147. "Crown Prince". Uboat.net. Retrieved 29 December 2012.
148. "Dina Henderika". Uboat.net. Retrieved 3 December 2012.
149. "Edelweiss". Uboat.net. Retrieved 26 December 2012.
150. "Equerry". Uboat.net. Retrieved 29 December 2012.
151. "Ernst Sophie". Uboat.net. Retrieved 2 December 2012.
152. "Fife Ness". Uboat.net. Retrieved 29 December 2012.
153. "Glencliffe". Uboat.net. Retrieved 9 October 2012.
154. "India". Uboat.net. Retrieved 4 October 2012.
155. "Kildale". Uboat.net. Retrieved 30 September 2012.
156. "Kolaastind". Uboat.net. Retrieved 29 September 2012.
157. "Largo Bay". Uboat.net. Retrieved 29 December 2012.
158. "Lilian". Uboat.net. Retrieved 29 December 2012.
159. "Lismore". Uboat.net. Retrieved 5 November 2012.
160. "Neptunus". Uboat.net. Retrieved 3 December 2012.
161. "Niritos". Uboat.net. Retrieved 30 December 2012.
162. "Osprey". Uboat.net. Retrieved 29 December 2012.
163. "Toro". Uboat.net. Retrieved 11 October 2012.
164. "Union". Uboat.net. Retrieved 3 December 2012.
165. "Voorwarts". Uboat.net. Retrieved 3 December 2012.
166. "Argyll". Uboat.net. Retrieved 21 October 2012.
167. "Bandon". Uboat.net. Retrieved 15 December 2012.
168. "Bokn". Uboat.net. Retrieved 29 September 2012.
169. "Frixos". Uboat.net. Retrieved 29 September 2012.
170. "Gama". Uboat.net. Retrieved 29 September 2012.
171. "Gambetta". Uboat.net. Retrieved 1 December 2012.
172. "Giuseppe Accame". Uboat.net. Retrieved 4 October 2012.
173. "Glenlora". Uboat.net. Retrieved 29 September 2012.
174. "Kariba". Uboat.net. Retrieved 2 December 2012.
175. "Maria". Uboat.net. Retrieved 5 November 2012.
176. "Odysseus". Uboat.net. Retrieved 4 October 2012.
177. "Pitstruan". Uboat.net. Retrieved 29 December 2012.
178. "Stork". Uboat.net. Retrieved 10 December 2012.
179. "Strathcona". Uboat.net. Retrieved 20 October 2012.
180. "Stromboli". Uboat.net. Retrieved 4 October 2012.
181. "Zara". Uboat.net. Retrieved 29 September 2012.
182. "Alberta". Uboat.net. Retrieved 21 November 2012.
183. "Andromach". Uboat.net. Retrieved 20 October 2012.
184. "Cinque Ottobre". Uboat.net. Retrieved 26 November 2012.
185. "Fjeldli". Uboat.net. Retrieved 29 September 2012.
186. "Gange". Uboat.net. Retrieved 8 December 2012.
187. "Hermione". Uboat.net. Retrieved 4 December 2012.
188. "HMT Orcades". Uboat.net. Retrieved 21 November 2012.
189. "Patagonier". Uboat.net. Retrieved 4 October 2012.
190. "Progresso". Uboat.net. Retrieved 26 November 2012.
191. "Spray". Uboat.net. Retrieved 3 December 2012.
192. "Tom". Uboat.net. Retrieved 1 December 2012.
193. "Tres Macs". Uboat.net. Retrieved 9 October 2012.
194. "Venus". Uboat.net. Retrieved 17 December 2012.
195. "HMS Veronica". Uboat.net. Retrieved 7 November 2012.
196. "Alessio Cocco". Uboat.net. Retrieved 26 November 2012.
197. "Arcadian". Uboat.net. Retrieved 28 December 2012.
198. "Astræa". Uboat.net. Retrieved 11 October 2012.
199. "Brothertoft". Uboat.net. Retrieved 3 December 2012.
200. "Dalmatian". Uboat.net. Retrieved 15 December 2012.
201. "Fram". Uboat.net. Retrieved 23 October 2012.
202. "Gretaston". Uboat.net. Retrieved 2 December 2012.
203. "Heikina". Uboat.net. Retrieved 15 December 2012.
204. "Mashobra". Uboat.net. Retrieved 31 December 2012.
205. "Möhlenpris". Uboat.net. Retrieved 6 November 2012.
206. "Panaghi Drakatos". Uboat.net. Retrieved 4 October 2012.
207. "Paris". Uboat.net. Retrieved 29 September 2012.
208. "Sutterton". Uboat.net. Retrieved 15 December 2012.
209. "Tusnastabb". Uboat.net. Retrieved 21 November 2012.
210. "Amanda". Uboat.net. Retrieved 18 December 2012.
211. "Anne". Uboat.net. Retrieved 7 October 2012.
212. "Cairndhu". Uboat.net. Retrieved 6 November 2012.
213. "Crios". Uboat.net. Retrieved 9 October 2012.
214. "Eduard". Uboat.net. Retrieved 26 December 2012.
215. "Endymion". Uboat.net. Retrieved 7 October 2012.
216. "Lord Chancellor". Uboat.net. Retrieved 10 December 2012.
217. "Marden". Uboat.net. Retrieved 4 November 2012.
218. "Polycarp". Uboat.net. Retrieved 18 December 2012.
219. "Queen Mary". Uboat.net. Retrieved 13 October 2012.
220. "Rochester Castle". Uboat.net. Retrieved 4 November 2012.
221. "Rosetta". Uboat.net. Retrieved 7 November 2012.
222. "Sagres". Uboat.net. Retrieved 8 December 2012.
223. "Sontay". Uboat.net. Retrieved 1 October 2012.
224. "Towergate". Uboat.net. Retrieved 7 October 2012.
225. "Victoria". Uboat.net. Retrieved 6 November 2012.
226. "Aburi". Uboat.net. Retrieved 14 October 2012.
227. "Bretagne". Uboat.net. Retrieved 16 December 2012.
228. "Brisbane River". Uboat.net. Retrieved 4 October 2012.
229. "Cairnhill". Uboat.net. Retrieved 11 October 2012.
230. "Charles Goodanew". Uboat.net. Retrieved 16 December 2012.
231. "Corfu". Uboat.net. Retrieved 4 October 2012.
232. "Costante". Uboat.net. Retrieved 30 September 2012.
233. "Dantzic". Uboat.net. Retrieved 16 December 2012.
234. "Donegal". Uboat.net. Retrieved 28 November 2012.
235. "Fight in the Channel." The Times (London). Monday, 23 April 1917. (41459), col A, p. 8.
236. "Fernmoor". Uboat.net. Retrieved 4 October 2012.
237. "Kish". Uboat.net. Retrieved 17 October 2012.
238. "Lanfranc". Uboat.net. Retrieved 6 November 2012.
239. "Robert". Uboat.net. Retrieved 29 December 2012.
240. "U.s.a.". Uboat.net. Retrieved 10 December 2012.
241. "William Shephard". Uboat.net. Retrieved 16 December 2012.
242. "Atalanta". Uboat.net. Retrieved 22 October 2012.
243. "Bergensgut". Uboat.net. Retrieved 29 December 2012.
244. "Castilian". Uboat.net. Retrieved 14 October 2012.
245. "Cragoswald". Uboat.net. Retrieved 21 October 2012.
246. "Heim". Uboat.net. Retrieved 26 December 2012.
247. "John S. Boyle". Uboat.net. Retrieved 10 December 2012.
248. "Louisiana". Uboat.net. Retrieved 16 December 2012.
249. "Marcel". Uboat.net. Retrieved 1 November 2012.
250. "Rameses". Uboat.net. Retrieved 10 December 2012.
251. "Rhydwen". Uboat.net. Retrieved 17 October 2012.
252. "Rinaldo". Uboat.net. Retrieved 30 September 2012.
253. "Rowena". Uboat.net. Retrieved 21 October 2012.
254. "Scalpa". Uboat.net. Retrieved 10 October 2012.
255. "Sculptor". Uboat.net. Retrieved 10 October 2012.
256. "Surcourf". Uboat.net. Retrieved 1 December 2012.
257. "Thomas". Uboat.net. Retrieved 2 December 2012.
258. "Trekieve". Uboat.net. Retrieved 4 October 2012.
259. "Troldfos". Uboat.net. Retrieved 23 October 2012.
260. "West Lothian". Uboat.net. Retrieved 23 October 2012.
261. "Witham". Uboat.net. Retrieved 17 December 2012.
262. "Avocet". Uboat.net. Retrieved 9 October 2012.
263. "Bethlehem". Uboat.net. Retrieved 20 December 2012.
264. "Cilurnum". Uboat.net. Retrieved 28 November 2012.
265. "Ellida". Uboat.net. Retrieved 7 November 2012.
266. "Elswick Manor". Uboat.net. Retrieved 21 October 2012.
267. "Gold Coast". Uboat.net. Retrieved 16 December 2012.
268. "Howth Head". Uboat.net. Retrieved 13 October 2012.
269. "Jewel". Uboat.net. Retrieved 16 December 2012.
270. "Lobelia". Uboat.net. Retrieved 20 October 2012.
271. "Poltava". Uboat.net. Retrieved 15 December 2012.
272. "Senator Dantziger". Uboat.net. Retrieved 1 December 2012.
273. "Senhora Da Conceicao". Uboat.net. Retrieved 9 October 2012.
274. "Sowwell". Uboat.net. Retrieved 4 October 2012.
275. "Star Of Freedom". Uboat.net. Retrieved 16 December 2012.
276. "Tempus". Uboat.net. Retrieved 10 October 2012.
277. "Annapolis". Uboat.net. Retrieved 18 October 2012.
278. "August". Uboat.net. Retrieved 7 October 2012.
279. "Ballochbuie". Uboat.net. Retrieved 10 December 2012.
280. "Caithness". Uboat.net. Retrieved 9 October 2012.
281. "Erith". Uboat.net. Retrieved 15 December 2012.
282. "Emma". Uboat.net. Retrieved 9 October 2012.
283. "Georgios". Uboat.net. Retrieved 28 November 2012.
284. "Grecian". Uboat.net. Retrieved 15 December 2012.
285. "Loch Eye". Uboat.net. Retrieved 4 December 2012.
286. "Lowdale". Uboat.net. Retrieved 4 October 2012.
287. "BRITISH NAVAL VESSELS LOST AT SEA Part 1 of 2 - Abadol (oiler) to Lynx (destroyer)". Naval History. Retrieved 2 February 2013.
288. "Malakand". Uboat.net. Retrieved 21 October 2012.
289. "Nentmoor". Uboat.net. Retrieved 4 October 2012.
290. "Nepaulin". Uboat.net. Retrieved 28 October 2012.
291. "Othonna". Uboat.net. Retrieved 10 December 2012.
292. "Portloe". Uboat.net. Retrieved 17 October 2012.
293. "Ringholm". Uboat.net. Retrieved 10 December 2012.
294. "Ruthin Castle". Uboat.net. Retrieved 17 December 2012.
295. "San Hilario". Uboat.net. Retrieved 7 October 2012.
296. "Torr Head". Uboat.net. Retrieved 13 October 2012.
297. "Diadem". Uboat.net. Retrieved 9 October 2012.
298. "Emile Et Charlotte". Uboat.net. Retrieved 28 November 2012.
299. "Gerda". Uboat.net. Retrieved 20 December 2012.
300. "Giosue". Uboat.net. Retrieved 30 September 2012.
301. "Jedburgh". Uboat.net. Retrieved 4 December 2012.
302. "Peik". Uboat.net. Retrieved 15 December 2012.
303. "Pontiac". Uboat.net. Retrieved 10 October 2012.
304. "Sebek". Uboat.net. Retrieved 18 October 2012.
305. "Skjold". Uboat.net. Retrieved 14 October 2012.
306. "Telena". Uboat.net. Retrieved 14 October 2012.
307. "Ville De Dieppe". Uboat.net. Retrieved 28 November 2012.
308. "Warrior". Uboat.net. Retrieved 8 December 2012.
309. "Yeovil". Uboat.net. Retrieved 4 December 2012.
310. "Arethusa". Uboat.net. Retrieved 25 December 2012.
311. "Blaatind". Uboat.net. Retrieved 1 October 2012.
312. "Capenor". Uboat.net. Retrieved 29 November 2012.
313. "Giskö". Uboat.net. Retrieved 27 September 2012.
314. "Godø". Uboat.net. Retrieved 10 December 2012.
315. "Maria S.". Uboat.net. Retrieved 1 October 2012.
316. "Neepawah". Uboat.net. Retrieved 10 October 2012.
317. "Nightingale". Uboat.net. Retrieved 15 December 2012.
318. "Percy Birdsall". Uboat.net. Retrieved 29 November 2012.
319. "Theodore William". Uboat.net. Retrieved 27 September 2012.
320. "Unione". Uboat.net. Retrieved 1 October 2012.
321. "Valerie". Uboat.net. Retrieved 29 November 2012.
322. "Vestelv". Uboat.net. Retrieved 23 October 2012.
323. "Woodward Abrahams". Uboat.net. Retrieved 7 October 2012.
324. "Acadian". Uboat.net. Retrieved 9 October 2012.
325. "Auriac". Uboat.net. Retrieved 15 December 2012.
326. "Bandiera E. Moro". Uboat.net. Retrieved 4 October 2012.
327. "Baron Stjernblad". Uboat.net. Retrieved 15 December 2012.
328. "Boro". Uboat.net. Retrieved 7 November 2012.
329. "Calluna". Uboat.net. Retrieved 14 October 2012.
330. "Cenobic". Uboat.net. Retrieved 26 December 2012.
331. "Dykland". Uboat.net. Retrieved 9 October 2012.
332. "Eptapyrgion". Uboat.net. Retrieved 10 October 2012.
333. "Imataka". Uboat.net. Retrieved 16 December 2012.
334. "Lena". Uboat.net. Retrieved 14 October 2012.
335. "Lena Melling". Uboat.net. Retrieved 21 November 2012.
336. "Marita". Uboat.net. Retrieved 21 October 2012.
337. "Oswald". Uboat.net. Retrieved 9 October 2012.
338. "HMT Rose Ii". Uboat.net. Retrieved 25 December 2012.
339. "Savio". Uboat.net. Retrieved 7 December 2012.
340. "Scot". Uboat.net. Retrieved 15 December 2012.
341. "Stegg". Uboat.net. Retrieved 10 December 2012.
342. "Svanen". Uboat.net. Retrieved 13 October 2012.
343. "Amulree". Uboat.net. Retrieved 21 October 2012.
344. "Anglesea". Uboat.net. Retrieved 10 October 2012.
345. "Barnton". Uboat.net. Retrieved 29 November 2012.
346. "Bien Aime Prof. Luigi". Uboat.net. Retrieved 4 October 2012.
347. "Clan Galbraith". Uboat.net. Retrieved 18 October 2012.
348. "Cordelia". Uboat.net. Retrieved 7 October 2012.
349. "Eos". Uboat.net. Retrieved 18 October 2012.
350. "Ferndene". Uboat.net. Retrieved 10 October 2012.
351. "Heather". Uboat.net. Retrieved 16 December 2012.
352. "Kenilworth". Uboat.net. Retrieved 7 December 2012.
353. "La Providence". Uboat.net. Retrieved 7 December 2012.
354. "Margate". Uboat.net. Retrieved 17 December 2012.
355. "Marie Blanche". Uboat.net. Retrieved 2 November 2012.
356. "Mayfly". Uboat.net. Retrieved 17 December 2012.
357. "Metropolis". Uboat.net. Retrieved 14 October 2012.
358. "Minister Tak Van Poortvliet". Uboat.net. Retrieved 28 October 2012.
359. "Nordsøen". Uboat.net. Retrieved 4 October 2012.
360. "Plutus". Uboat.net. Retrieved 16 December 2012.
361. "Thistleard". Uboat.net. Retrieved 21 October 2012.
362. "Torvore". Uboat.net. Retrieved 4 October 2012.
363. "Upton Castle". Uboat.net. Retrieved 3 December 2012.
364. "Valkyrian". Uboat.net. Retrieved 18 October 2012.
365. "Vestdal". Uboat.net. Retrieved 18 October 2012.
366. "Vilhelm Krag". Uboat.net. Retrieved 4 October 2012.
367. "Abosso". Uboat.net. Retrieved 7 October 2012.
368. "Baigorry". Uboat.net. Retrieved 29 November 2012.
369. "Ballarat". Uboat.net. Retrieved 2 November 2012.
370. "Elisabeth". Uboat.net. Retrieved 21 October 2012.
371. "Elizabeth". Uboat.net. Retrieved 28 October 2012.
372. "Este". Uboat.net. Retrieved 3 November 2012.
373. "French Navy". Naval History. Retrieved 21 February 2013.
374. "Glenesk". Uboat.net. Retrieved 21 October 2012.
375. "Havila". Uboat.net. Retrieved 12 October 2012.
376. "Hawthornbank". Uboat.net. Retrieved 12 October 2012.
377. "Heathfield". Uboat.net. Retrieved 21 October 2012.
378. "Hesperides". Uboat.net. Retrieved 18 October 2012.
379. "Hirondelle". Uboat.net. Retrieved 7 December 2012.
380. "Invermay". Uboat.net. Retrieved 21 October 2012.
381. "Laura". Uboat.net. Retrieved 10 October 2012.
382. "Hackensack". Uboat.net. Retrieved 21 October 2012.
383. "Sokoto". Uboat.net. Retrieved 12 October 2012.
384. "Swanmore". Uboat.net. Retrieved 9 October 2012.
385. "Active". Uboat.net. Retrieved 17 December 2012.
386. "Agnes Cairns". Uboat.net. Retrieved 24 December 2012.
387. "Aigle". Uboat.net. Retrieved 16 December 2012.
388. "Alhama". Uboat.net. Retrieved 28 October 2012.
389. "Amsteldijk". Uboat.net. Retrieved 22 December 2012.
390. "Athole". Uboat.net. Retrieved 24 December 2012.
391. "Augusta". Uboat.net. Retrieved 2 December 2012.
392. "Boy Dennis". Uboat.net. Retrieved 29 November 2012.
393. "Bretagne Et Vendee". Uboat.net. Retrieved 24 December 2012.
394. "Chertsey". Uboat.net. Retrieved 25 December 2012.
395. "Ehrglis". Uboat.net. Retrieved 7 October 2012.
396. "Gennarino". Uboat.net. Retrieved 2 December 2012.
397. "Harflete". Uboat.net. Retrieved 18 October 2012.
398. "Hekla". Uboat.net. Retrieved 10 October 2012.
399. "Hektoria". Uboat.net. Retrieved 7 October 2012.
400. "John Lockett". Uboat.net. Retrieved 16 December 2012.
401. "Kong Oscar Ii". Uboat.net. Retrieved 5 November 2012.
402. "Monitor". Uboat.net. Retrieved 1 October 2012.
403. "HMD Plantin". Uboat.net. Retrieved 28 December 2012.
404. "Repro". Uboat.net. Retrieved 10 December 2012.
405. "Rio Lages". Uboat.net. Retrieved 18 October 2012.
406. "Telefon". Uboat.net. Retrieved 17 December 2012.
407. "Vauxhall". Uboat.net. Retrieved 18 October 2012.
408. "Agile". Uboat.net. Retrieved 21 November 2012.
409. "Alfalfa". Uboat.net. Retrieved 2 November 2012.
410. "Beemah". Uboat.net. Retrieved 2 November 2012.
411. "Burrowa". Uboat.net. Retrieved 24 December 2012.
412. "Dromore". Uboat.net. Retrieved 12 October 2012.
413. "Dunmore Head". Uboat.net. Retrieved 15 October 2012.
414. "Glencluny". Uboat.net. Retrieved 25 December 2012.
415. "Good Hope". Uboat.net. Retrieved 28 December 2012.
416. "Inveramsay". Uboat.net. Retrieved 15 October 2012.
417. "Jessie". Uboat.net. Retrieved 5 November 2012.
418. "Karuma". Uboat.net. Retrieved 25 December 2012.
419. "Langfond". Uboat.net. Retrieved 12 October 2012.
420. "Mafalda". Uboat.net. Retrieved 1 October 2012.
421. "Manchester Citizen". Uboat.net. Retrieved 18 October 2012.
422. "MBR". Uboat.net. Retrieved 1 October 2012.
423. "Nidelven". Uboat.net. Retrieved 3 December 2012.
424. "Ragnhild". Uboat.net. Retrieved 3 December 2012.
425. "Uranus". Uboat.net. Retrieved 21 October 2012.
426. "Verjø". Uboat.net. Retrieved 7 December 2012.
427. "Alu Mendi". Uboat.net. Retrieved 24 December 2012.
428. "Anne Marie". Uboat.net. Retrieved 18 October 2012.
429. "Bullmouth". Uboat.net. Retrieved 12 October 2012.
430. "Carmelo Padre". Uboat.net. Retrieved 16 October 2012.
431. "Condor". Uboat.net. Retrieved 7 December 2012.
432. "Diana". Uboat.net. Retrieved 23 October 2012.
433. "Giuseppe Padre I". Uboat.net. Retrieved 16 October 2012.
434. "Giuseppina G.". Uboat.net. Retrieved 16 October 2012.
435. "I Due Fratelli P.". Uboat.net. Retrieved 16 October 2012.
436. "Jose de Larrinaga". Uboat.net. Retrieved 21 October 2012.
437. "Juliette". Uboat.net. Retrieved 1 December 2012.
438. "Karonga". Uboat.net. Retrieved 16 October 2012.
439. "Lisetta". Uboat.net. Retrieved 1 October 2012.
440. "Natale B.". Uboat.net. Retrieved 16 October 2012.
441. "Niobe". Uboat.net. Retrieved 8 December 2012.
442. "Olga". Uboat.net. Retrieved 8 October 2012.
443. "Pontiac". Uboat.net. Retrieved 28 December 2012.
444. "Port Jackson". Uboat.net. Retrieved 17 October 2012.
445. "Pursue". Uboat.net. Retrieved 2 November 2012.
446. "San Francesco Di Paola". Uboat.net. Retrieved 16 October 2012.
447. "Teakwood". Uboat.net. Retrieved 30 December 2012.
448. "Terence". Uboat.net. Retrieved 21 October 2012.
449. "Vacuum". Uboat.net. Retrieved 7 October 2012.
450. "Askepot". Uboat.net. Retrieved 27 September 2012.
451. "Bayonnais". Uboat.net. Retrieved 28 December 2012.
452. "Carbo I". Uboat.net. Retrieved 3 December 2012.
453. "Comedian". Uboat.net. Retrieved 23 October 2012.
454. "Daleby". Uboat.net. Retrieved 18 October 2012.
455. "Dilston Castle". Uboat.net. Retrieved 31 October 2012.
456. "Ellen Harrison". Uboat.net. Retrieved 2 November 2012.
457. "Eugenie Et Lucie". Uboat.net. Retrieved 28 December 2012.
458. "Frere Des Cinq Soeurs". Uboat.net. Retrieved 28 December 2012.
459. "Giuseppe Maria". Uboat.net. Retrieved 8 December 2012.
460. "SS Hurlford [+1917]". Wrecksite. Retrieved 2 February 2013.
461. "Ikbal". Uboat.net. Retrieved 23 October 2012.
462. "Mermaid". Uboat.net. Retrieved 2 November 2012.
463. "Petit Ernest". Uboat.net. Retrieved 28 December 2012.
464. "Victoria". Uboat.net. Retrieved 31 October 2012.
465. "Arfon". Uboat.net. Retrieved 21 December 2012.
466. "Argo". Uboat.net. Retrieved 31 October 2012.
467. "Ascaro". Uboat.net. Retrieved 23 October 2012.
468. "Borrowdale". Uboat.net. Retrieved 27 September 2012.
469. "Chrisomalli Th. Sifneo". Uboat.net. Retrieved 1 October 2012.
470. "Colbert". Uboat.net. Retrieved 8 December 2012.
471. "Delamere". Uboat.net. Retrieved 18 October 2012.
472. "Eden". Uboat.net. Retrieved 26 December 2012.
473. "Fortunata". Uboat.net. Retrieved 15 October 2012.
474. "Gorizia". Uboat.net. Retrieved 21 December 2012.
475. "Horsa". Uboat.net. Retrieved 23 October 2012.
476. "Jarstein". Uboat.net. Retrieved 14 October 2012.
477. "Little Mystery". Uboat.net. Retrieved 21 December 2012.
478. "Parthenon". Uboat.net. Retrieved 23 October 2012.
479. "Portbail". Uboat.net. Retrieved 2 November 2012.
480. "Tulip". Uboat.net. Retrieved 15 October 2012.
481. "Agia". Uboat.net. Retrieved 29 November 2012.
482. "Evangelistria". Uboat.net. Retrieved 29 November 2012.
483. "Kyriotis". Uboat.net. Retrieved 29 November 2012.

Ship events in 1917
Ship launches:	1912	1913	1914	1915	1916	1917	1918	1919	1920	1921	1922
Ship commissionings:	1912	1913	1914	1915	1916	1917	1918	1919	1920	1921	1922
Ship decommissionings:	1912	1913	1914	1915	1916	1917	1918	1919	1920	1921	1922
Shipwrecks:	1912	1913	1914	1915	1916	1917	1918	1919	1920	1921	1922