HMS Sirdar

HMS Sirdar
History
United Kingdom
Name	Sirdar
Builder	Scotts, Greenock
Laid down	24 April 1941
Launched	26 March 1943
Commissioned	20 September 1943
Fate	broken up, 1965
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General characteristics
Class and type	S-class submarine
Displacement	865 long tons (879 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 8 in (4.5 m)
Installed power	1,900 bhp (1,400 kW) (diesel) 1,300 hp (970 kW) (electric)
Propulsion	2 × diesel engines 2 × electric motors
Speed	15 kn (28 km/h; 17 mph) (surfaced) 10 kn (19 km/h; 12 mph) (submerged)
Range	6,000 nmi (11,000 km; 6,900 mi) at 10 knots (19 km/h; 12 mph) (surfaced); 120 nmi (220 km; 140 mi) at 3 knots (5.6 km/h; 3.5 mph) (submerged)
Test depth	300 ft (91.4 m)
Complement	48
Sensors and processing systems	Type 129AR or 138 ASDIC Type 291 early-warning radar
Armament	7 × 21 in (533 mm) torpedo tubes (6 × bow, 1 × stern) 1 × 3 in (76 mm) deck gun 1 × 20 mm (0.8 in) AA gun

HMS Sirdar was an S-class submarine built for the Royal Navy during the Second World War, and part of the Third Group built of that class. She was built by Scotts, of Greenock and launched on 26 March 1943.