HMS Porpoise (N14)

HMS Porpoise
History
United Kingdom
NameHMS Porpoise
Ordered11 June 1931
BuilderVickers Armstrong, Barrow
Laid down22 September 1931
Launched30 August 1932
Commissioned11 March 1933
FateSunk 19 January 1945
Badge
General characteristics
Class and typeGrampus-class submarine
Displacement
  • 1,768 tons surfaced
  • 2,035 tons submerged
Length289 ft (88 m)
Beam29 ft 10 in (9.09 m)
Draught15 ft 10 in (4.83 m)
Propulsion2 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
Complement59
Armament

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.