HMS H43

History
United Kingdom
Name	HMS H43
Builder	Armstrong Whitworth, Newcastle Upon Tyne
Laid down	4 October 1917
Launched	3 February 1919
Commissioned	25 November 1919
Fate	Sold for scrapping, November 1944
General characteristics
Class and type	H class submarine
Displacement	423 long tons (430 t) surfaced 510 long tons (518 t) submerged
Length	171 ft 0 in (52.12 m)
Beam	15 ft 4 in (4.67 m)
Propulsion	1 × 480 hp (358 kW) diesel engine 2 × 620 hp (462 kW) electric motors
Speed	11.5 knots (21.3 km/h; 13.2 mph) surfaced 9 knots (17 km/h; 10 mph) submerged
Range	2,985 nmi (5,528 km) at 7.5 kn (13.9 km/h; 8.6 mph) surfaced 130 nmi (240 km) at 2 kn (3.7 km/h; 2.3 mph) submerged
Complement	22
Armament	4 × 21 in (533 mm) bow torpedo tubes 8 × 21 inch torpedoes

HMS H43 was a British H class submarine built by Armstrong Whitworth, Newcastle Upon Tyne. She was laid down on 4 October 1917 and was commissioned on 25 November 1919. It had a complement of twenty-two crew members.

HMS H43 was one of the seven H class submarines to survive to the end of World War II . HMS H43 was sold in November 1944 and was scrapped in Troon in 1945.