HMS Sentinel (P256)

HMS Sentinel
History
United Kingdom
Name	HMS Sentinel
Builder	Scotts, Greenock
Laid down	15 November 1943
Launched	27 July 1945
Commissioned	28 December 1945
Fate	Sold 28 February 1962
Badge
General characteristics
Class and type	S-class submarine
Displacement	814 long tons (827 t) surfaced 990 long tons (1,010 t) submerged
Length	217 ft (66.1 m)
Beam	23 ft 9 in (7.2 m)
Draught	14 ft 1 in (4.3 m)
Installed power	1,900 bhp (1,400 kW) (diesel) 1,300 hp (970 kW) (electric)
Propulsion	2 × diesel engines 2 × electric motors
Speed	14.75 knots (27.32 km/h; 16.97 mph) surfaced 9 knots (17 km/h; 10 mph) submerged
Range	7,500 nmi (13,900 km; 8,600 mi) at 10 knots (19 km/h; 12 mph) surface; 120 nmi (220 km; 140 mi) at 3 knots (5.6 km/h; 3.5 mph) submerged
Test depth	350 feet (106.7 m)
Complement	48
Armament	6 × bow 21 in (533 mm) torpedo tubes 1 × 4-inch (102 mm) deck gun

HMS Sentinel was a S-class submarine of the third batch built for the Royal Navy during World War II. She was not completed until after the war and was sold for scrap in 1962.