HMS Porpoise (N14)

HMS Porpoise
History
United Kingdom
Name	HMS Porpoise
Ordered	11 June 1931
Builder	Vickers Armstrong, Barrow
Laid down	22 September 1931
Launched	30 August 1932
Commissioned	11 March 1933
Fate	Sunk 19 January 1945
Badge
General characteristics
Class and type	Grampus-class submarine
Displacement	1,768 tons surfaced 2,035 tons submerged
Length	289 ft (88 m)
Beam	29 ft 10 in (9.09 m)
Draught	15 ft 10 in (4.83 m)
Propulsion	2 shaft, Diesel (3,300 hp (2,500 kW)) plus electric (1,630 hp (1,220 kW))
Speed	15.5 knots (28.7 km/h) surfaced 8.75 knots (16.21 km/h) submerged
Complement	59
Armament	6 × 21 inch (533 mm) torpedo tubes (bow) 12 torpedoes 1 × 4 in (102 mm) deck gun 50 mines

HMS Porpoise (N14) was one of the six-ship class of Grampus-class mine-laying submarines of the Royal Navy. She was built at Vickers Armstrong, Barrow and launched 30 August 1932. She served in World War II in most of the naval theatres of the war, in home waters, the Mediterranean and the Far East. She was sunk with all hands by Japanese aircraft on 19 January 1945, and was the last Royal Navy submarine to be lost to enemy action.