Castle-class trawler

Class overview
HMT Swansea Castle
Name:	Castle
Operators:	Royal Navy Royal New Zealand Navy
Completed:	about 200
General characteristics
Type:	Minesweeper
Displacement:	540 tons standard 620 tons fully loaded
Length:	135 ft (41 m)/125 ft (38 m)
Beam:	23.5 ft (7.2 m)
Draught:	15 ft (4.6 m)
Propulsion:	550 ihp (410 kW)
Speed:	10 knots (19 km/h; 12 mph)
Complement:	26 or 27

The Castle-class minesweeper was a highly sea worthy naval trawler adapted for minesweeping and built to Admiralty specifications. Altogether about 200 were built between 1916 and 1919.

The Castle class originated with the commercial trawler Raglan Castle of 1915, taken up for Royal Navy service. The design was adapted by Smith's Dock Company Ltd to Admiralty requirements for building in quantity.

During World War I, 145 were built for the Admiralty. After the war about 55 further ships were built as trawlers and many of the minesweepers were converted to trawlers

New Zealand additions

In 1940 the New Zealand Marine Department opted for this class in preference to the more modern Blomvlei design, also by Smith's Dock, 1935, and another 13 vessels of the class were built and put into service.

References

McDougall, R J (1989) New Zealand Naval Vessels. Page 62-69. Government Printing Office. ISBN 978-0-477-01399-4

External links

"S.T. Michael Griffith, FD249 a Fleetwood steam trawler of the Castle class". The Bosun's Watch - History of the Fleetwood fishing fleet. External link in |publisher= (help)
Some Castle class minesweepers

British naval ship classes of the First World War

Aircraft/Seaplane carriers	Empress^S^V Riviera^S^V Engadine^S^V Ark Royal^S Ben-my-Chree^S^V Campania^S^V Raven II^S^V Anne^S^V Vindex^S^V Manxman^S^V Furious^M Pegasus^S^V Nairana^S^V Argus^S^V Vindictive^S^V

Dreadnought battleships	Dreadnought^S Bellerophon St Vincent Neptune^S Colossus Orion King George V Erin^S Agincourt^S Iron Duke Canada^S Queen Elizabeth Revenge

Pre-dreadnought battleships	Royal Sovereign Majestic Canopus Formidable Duncan King Edward VII Swiftsure Lord Nelson

Battlecruisers	Invincible Indefatigable Lion Queen Mary^S Tiger^S Renown Courageous Admiral^S^C Incomparable^X

Armoured cruisers	Cressy Drake Monmouth Devonshire Duke of Edinburgh Warrior Minotaur

Heavy cruisers	Hawkins

Light cruisers	Town^G Arethusa C^{G, C} Danae^C Emerald^A

Protected cruisers	Apollo Astraea Eclipse Blake Pearl Edgar Powerful Diadem Arrogant Pelorus Highflyer Challenger Topaze

Scout cruisers	Adventure Forward Pathfinder Sentinel Boadicea Blonde Active

Destroyer flotilla leaders	Swift^S Faulknor Marksman Parker Admiralty (or Scott)^C Thornycroft (or Shakespeare)^C

Destroyers	A^G B^G C^G D^G E^G F Cricket^G G H I K L Admiralty M Hawthorn M Thornycroft M Yarrow M Yarrow Later M R^G S^{G, C} Talisman V and W^{G, C}

Monitors	Marshal Ney Abercrombie Lord Clive Humber Gorgon M15 M29 Erebus

Minesweepers	Flower Racecourse Hunt 24^C

Gunboats	Fly Insect

Submarines	A B C D E F G H^C J K L^C M^C R^C Swordfish^S V

A All completed after the war C One or more completed after the war G Grouping of several classes M converted from Courageous class S Single ship of class V Conversions X Cancelled

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Castle-class trawler

New Zealand additions

See also

References

External links