HMS Tetrarch (N77)
HMS Tetrarch  | |
| History | |
|---|---|
| United Kingdom | |
| Name | HMS Tetrarch | 
| Builder | Vickers Armstrong, Barrow | 
| Laid down | 24 August 1938 | 
| Launched | 14 November 1939 | 
| Commissioned | 15 February 1940 | 
| Identification | Pennant number N77 | 
| Fate | Sunk 2 November 1941 | 
| Badge | |
| General characteristics | |
| Class & type | British T class submarine | 
| Displacement | 
  | 
| Length | 275 ft (84 m) | 
| Beam | 26 ft 6 in (8.08 m) | 
| Draught | 16.3 ft (5.0 m) | 
| Propulsion | 
  | 
| Speed | 
  | 
| Range | 4,500 nautical miles at 11 knots (8,330 km at 20 km/h) surfaced | 
| Test depth | 300 ft (91 m) max | 
| Complement | 59 | 
| 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.