HMS Trenchant (P331)

HMS Trenchant
History
United Kingdom
Name	Trenchant
Builder	Chatham Dockyard
Laid down	9 May 1942
Launched	24 March 1943
Commissioned	26 February 1944
Fate	Sold to be broken up for scrap on 1 July 1963. Scrapped at Faslane
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General characteristics
Class and type	British T class submarine
Displacement	1,290 tons surfaced 1,560 tons submerged
Length	276 ft 6 in (84.28 m)
Beam	25 ft 6 in (7.77 m)
Draught	12 ft 9 in (3.89 m) forward 14 ft 7 in (4.45 m) aft
Propulsion	Two shafts Twin diesel engines 2,500 hp (1.86 MW) each Twin electric motors 1,450 hp (1.08 MW) each
Speed	15.5 knots (28.7 km/h) surfaced 9 knots (20 km/h) submerged
Range	4,500 nautical miles at 11 knots (8,330 km at 20 km/h) surfaced
Test depth	300 ft (91 m) max
Complement	61
Armament	6 internal forward-facing 21 inch (533 mm) torpedo tubes 2 external forward-facing torpedo tubes 2 external amidships rear-facing torpedo tubes 1 external rear-facing torpedo tube 6 reload torpedoes QF 4 inch (100 mm) deck gun 3 anti aircraft machine guns

HMS Trenchant (P331) was a British T class submarine of the Second World War built at Chatham Dockyard.

On completion she was given over to the crew of HMS Thrasher whose submarine was due for a refit.