HMS Loch Insh (K433)

History
Loch Insh in October 1944
United Kingdom
Name:	HMS Loch Insh
Namesake:	Loch Insh
Ordered:	25 January 1943
Builder:	Henry Robb, Leith, Scotland
Yard number:	846
Laid down:	November 1943
Launched:	10 May 1944
Completed:	20 October 1944
Commissioned:	November 1945
Decommissioned:	April 1946
Recommissioned:	21 September 1950
Decommissioned:	22 June 1962
Identification:	pennant number K433/F433
Honours and awards:	Atlantic 1944 Arctic 1945
Fate:	Sold to Malaysia, 1963
History
Malaysia
Name:	KD Hang Tuah
Namesake:	Hang Tuah
Acquired:	1963
Commissioned:	1963
Decommissioned:	1971
Out of service:	1977
Identification:	F 443
Fate:	Scrapped, 1977
General characteristics
Class & type:	Loch-class frigate
Displacement:	1,435 long tons (1,458 t)
Length:	307 ft 9 in (93.80 m)
Beam:	38 ft 9 in (11.81 m)
Draught:	8 ft 9 in (2.67 m)
Propulsion:	2 Admiralty 3-drum boilers 2 shafts 4-cylinder vertical triple expansion reciprocating engines, 5,500 hp (4,101 kW)
Speed:	20 knots (37 km/h; 23 mph)
Range:	9,500 nmi (17,600 km) at 12 kn (22 km/h; 14 mph)
Complement:	114
Armament:	1 × QF 4-inch (100 mm) Mark V gun on 1 single mounting HA Mk.III** 4 × QF 2-pounder Mk.VII on 1 quad mount Mk.VII 4 × 20 mm Oerlikon A/A on 2 twin mounts Mk.V (or 2 × 40 mm Bofors A/A on 2 single mounts Mk.III) Up to 8 × 20 mm Oerlikon A/A on single mounts Mk.III 2 × Squid triple barreled A/S mortars 1 rail and 2 throwers for depth charges

HMS Loch Insh was a Loch-class frigate of the Royal Navy, named after Loch Insh in Scotland. She was built by Henry Robb of Leith and launched on 10 May 1944. After service at the end of World War II she was decommissioned, but reactivated in 1950 and served, mostly in the Persian Gulf, until 1962. The ship was sold to the Royal Malaysian Navy in 1963, and renamed KD Hang Tuah (F433). She was scrapped in 1977.^[1]

Service history

World War II

After commissioning and sea trials Loch Insh joined the 19th Escort Group at Liverpool in November 1944. The Group was deployed for convoy defence in the North-West Approaches and the Irish Sea.^[1] For 14 hours on 6 December Loch Insh and Goodall hunted for the German submarine U-775 off Cape Wrath, but the U-boat, which had torpedoed the frigate Bullen and sent her to the bottom, escaped undamaged.^[2]

In January 1945 the Group was transferred to the English Channel for anti-submarine operations. In February it operated in the Irish Sea and South-Western Approaches, and in April was assigned to support the Russian convoys. On 18 April Loch Insh and 19 EG joined the escort for Russian Convoy JW-66, arriving at Kola Inlet on the 25 April after an uneventful passage. After anti-submarine operations off the Russian coast, the Group departed with Convoy RA-66 for the return journey.^[1]

On 29 April, in the Barents Sea, Loch Insh sank U-307 using "Shark" anti-submarine projectiles and her Squid anti-submarine mortar,^[3] and the same day, with frigates Anguilla and Cotton she sank U-286.^[4] Loch Insh was detached from RA-66 with the other ships of 19 EG before their arrival in the Clyde and sent to Leith to refit and prepare for foreign service.^[1]

On 23 August she departed Rosyth to join the East Indies Escort Force, arriving at Colombo on 25 October. There she acted as escort to repatriation convoys. After a visit to the coast of East Africa, Loch Insh returned to the UK in April 1946 and was decommissioned and placed in Reserve at Devonport. Whilst in Reserve her pennant number was changed to F433.^[1]

1950–1962

After a refit Loch Insh was recommissioned on 21 September 1950 to serve with 6th Frigate Flotilla, Home Fleet, for exercises and visits. In April and May 1951 she joined to search for missing submarine HMS Affray (P421).^[1]

In April 1952 she was decommissioned and was laid up at Devonport in readiness for a programme of extensive modernisation, of which Loch Insh would be the prototype for the rest of her class. The work finally began in May 1953 and took over a year. Recommissioned on 6 September 1954, she completed her sea trials in the Mediterranean, before arriving at Bahrain in December for duty in the Persian Gulf alongside Loch Alvie. Her primary task was the protection of British tanker shipping, and she carried out a regular routine of patrols and port visits until returning to the UK in August 1955.^[1]

After a refit she returned to Persian Gulf patrol duty in March 1956. During the Suez Crisis ("Operation Musketeer") Loch Insh was based at Bahrain where she protected Sitra Oil Jetties. In January 1957 she was relieved by Loch Lomond, and returned to the UK via the Cape of Good Hope, as the Suez Canal was closed. She arrived back at Devonport in March to refit.^[1]

In March 1958, after anti-submarine training at Derry, she joined the Home Fleet for exercises and visits, and in June she returned to the Gulf. In October she joined other Royal Navy ships in the multi-national CENTO "Exercise Midlink" in the Indian Ocean, based at Karachi. In March 1959 she made East African coast visits and called at Tanga, Mtwara and Zanzibar before returning to Devonport in April. Loch Insh returned to the Gulf for two further tours of duty from December 1959 to October 1960, and from May 1961 to June 1962.

Decommissioning and sale

Decommissioned on 22 June 1962 Loch Insh was laid up in Reserve. Placed on the Disposal List, she was sold to the Royal Malaysian Navy in 1963. After a very extensive refit at Portsmouth, which included changes to the superstructure and the provision of helicopter landing facilities, on 2 October 1964 the ship was commissioned into the Royal Malaysian Navy and renamed KD Hang Tuah (F433). She sailed for Malaysia on 12 November 1964, and served as the flagship of the Royal Malaysian Navy until 1971, when she was used as a training ship until withdrawn from service six years later.^[1]

References

1 2 3 4 5 6 7 8 9 Mason, Geoffrey B. (1998). Gordon Smith, ed. "HMS Loch Insh, frigate". naval-history.net. Retrieved 16 March 2010.
↑ "HMS Bullen (K 469) (Frigate) - Ships hit by U-boats - uboat.net". uboat.net. Retrieved 16 March 2010.
↑ "The Type VIIC boat U-307 - German U-boats of WWII - uboat.net". uboat.net. Retrieved 16 March 2010.
↑ "The Type VIIC boat U-286 - German U-boats of WWII - uboat.net". uboat.net. Retrieved 16 March 2010.

Bibliography

Colledge, J. J.; Warlow, Ben (2006) [1969]. Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8. OCLC 67375475.
Marriott, Leo (1983). Royal Navy Frigates 1945-1983. Ian Allen Ltd. ISBN 0-71101-322-5.
Mason, Geoffrey B. (1998). Gordon Smith, ed. "HMS Loch Insh (K 433) - Loch-class Frigate". naval-history.net. Retrieved 16 March 2010.

External links

The Loch Class Frigates Association

Loch-class frigates

Royal Navy

Completed	Naver / Loch Achanalt Loch Achray Loch Alvie Loch Ard Loch Arkaig Loch Assynt / Derby Haven Loch Boisdale Loch Craggie Loch Cree Loch Dunvegan Loch Eck Loch Fada Loch Fyne Loch Glendhu Loch Gorm Loch Insh Loch Katrine Loch Killin Loch Killisport Loch Lomond Loch More Loch Morlich Loch Quoich Loch Ruthven Loch Scavaig Loch Shin Loch Tarbert Loch Torridon / Woodbridge Haven Loch Tralaig Loch Veyatie

Reordered as Bay class	Loch Achility / St Brides Bay Loch Amish / Tremadoc Bay Loch Arklet / Start Bay Loch Brachdale / Enard Bay Loch Carloway / Bigbury Bay Loch Carron / Gerrans Bay / Surprise Loch Coulside / Padstow Bay Loch Eil / Herne Bay / Dampier Loch Fannich / Hollesley Bay Loch Foin / Largo Bay Loch Frisa / Widemouth Bay Loch Garasdale / Wigtown Bay Loch Glass / Luce Bay / Dalrymple Loch Harport / Burghead Bay Loch Heilen / Morecambe Bay Loch Kilbernie / Mounts Bay Loch Laxford / Cardigan Bay Loch Lubnaig / Whitesand Bay Loch Lyddoch / St Austell Bay Loch Maddy / Carnarvon Bay Loch Mochrum / Pegwell Bay / Cook Loch Muick (K640) / Thurso Bay / Owen Loch Muick (K650) / Loch Seaforth / Porlock Bay Loch Roan / Cawsand Bay Loch Scamdale / Dundrum Bay / Alert Loch Swannay / Veryan Bay

Cancelled	Loch Affric Loch Awe Loch Badcall Loch Caroy Loch Clunie Loch Creran Loch Doine Loch Earn Loch Enoch Loch Ericht Loch Erisort Loch Eye Loch Eynort Loch Garve Loch Glashan Loch Goil Loch Griam Loch Harray Loch Hourn Loch Inchard Loch Ken Loch Kirbister Loch Kirkaig Loch Kishorn Loch Knockie Loch Laro Loch Linfern Loch Linnhe Loch Lurgan Loch Lyon Loch Maberry Loch Minnick Loch Nell Loch Odairn Loch Ossian Loch Ronald Loch Ryan Loch Scridain Loch Sheallag Loch Shiel Loch Skaig Loch Skerrow Loch Stemster Loch Stenness Loch Striven Loch Sunart Loch Swin Loch Tanna Loch Tilt Loch Tummell Loch Urigill Loch Vanavie Loch Vennachar Loch Watten

Other operators

Royal Canadian Navy	Loch Achanalt Loch Alvie Loch Morlich

Imperial Iranian Navy	Babr (ex-Derby Haven)

Royal Malaysian Navy	Hang Tuah (ex-Loch Insh)

Royal New Zealand Navy	Hawea (ex-Loch Eck) Kaniere (ex-Loch Achray) Pukaki (ex-Loch Achanalt) Rotoiti (ex-Loch Katrine) Taupo (ex-Loch Shin) Tutira (ex-Loch Morlich)

South African Navy	Good Hope (ex-Loch Boisdale) Natal (ex-Loch Cree) Transvaal (ex-Loch Ard)

Preceded by: Captain class
Followed by: Bay class

List of frigates of the Royal Navy

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