HMS Porpoise (S01)

HMS Porpoise (S01) was a Porpoise-class submarine of the Royal Navy. She was launched on 25 April 1956, commissioned on 17 April 1958, and was decommissioned in 1982. Finally, she was sunk as a target in 1985 in torpedo trials, for which purpose she was painted bright red.

For other ships with the same name, see HMS Porpoise.

HMS Porpoise (S01)
History
United Kingdom
NameHMS Porpoise
BuilderVickers-Armstrongs, Barrow-in-Furness
Launched25 April 1956
Commissioned17 April 1958
Decommissioned1982
FateSunk as a target in 1985
General characteristics
Class and typePorpoise class submarine
Displacement
  • 2,080 tons surfaced
  • 2,450 tons submerged
Length290 ft (88 m)
Beam26 ft 7 in (8.10 m)
Draught18 ft (5.5 m)
Propulsion
  • 2 × Admiralty Standard range diesel generators, 1,650 hp (1.230 MW)
  • 2 × English Electric main motors, 12,000 hp (8.95 MW)
  • 2 shafts
Speed
  • 12 kn (22 km/h) surfaced
  • 17 kn (31 km/h)submerged
Range9,000 nmi (17,000 km) at 12 kn (22 km/h)
Complement71
Armament
  • 8 × 21 inch (533 mm) torpedo tubes, 6 bow, 2 stern
  • 30 × Mk8 or Mk23 torpedoes, later the Mark 24 Tigerfish

She had been used as a training target while still serving with the Navy; in 1979 her casing, ballast tanks and vents were reinforced so that unarmed torpedoes could be fired at her without the risk of sinking.

In 2000, a glacier in East Greenland was named after her

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