HMS Tetrarch (N77)

HMS Tetrarch
History
United Kingdom
NameHMS Tetrarch
BuilderVickers Armstrong, Barrow
Laid down24 August 1938
Launched14 November 1939
Commissioned15 February 1940
IdentificationPennant number N77
FateSunk 2 November 1941
Badge
General characteristics
Class & typeBritish T class submarine
Displacement
  • 1,090 tons surfaced
  • 1,575 tons submerged
Length275 ft (84 m)
Beam26 ft 6 in (8.08 m)
Draught16.3 ft (5.0 m)
Propulsion
  • Two shafts
  • Twin diesel engines 2,500 hp (1.86 MW) each
  • Twin electric motors 1,450 hp (1.08 MW) each
Speed
  • 15.25 knots (28.7 km/h) surfaced
  • 9 knots (20 km/h) submerged
Range4,500 nautical miles at 11 knots (8,330 km at 20 km/h) surfaced
Test depth300 ft (91 m) max
Complement59
Armament

HMS Tetrarch (N77) was a T-class submarine of the Royal Navy. She was laid down by Vickers Armstrong, Barrow and launched in November 1939.

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