HMS Ambush (P418)

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Career Royal Navy Ensign
Ordered: Very late in World War II
Builder: Vickers Armstrong, Barrow-in-Furness
Laid down: 17 May 1945
Launched: 24 September 1945
Commissioned: 22 July 1947
Decommissioned: November 1967
Fate: Sold to be broken up for scrap on 24 June 1971. Scrapped at Inverkeithing in July 1971.
General characteristics
Displacement: 1,360/1,590 tons (surface/submerged)
Length: 293 ft 6 in (89.5 m)
Beam: 22 ft 4 in (6.8 m)
Draught: 18 ft 1 in (5.5 m)
Propulsion: 2 × 2,150 hp Admiralty ML 8-cylinder diesel engine, 2 × 625 hp electric motors for submergence driving two shafts
Speed: 18.5/8 knots (surface/submerged)
Range: 10,500 nautical miles (19,400 km) at 11 knots (20 km/h) surfaced
16 nautical miles (30 km) at 8 knots (15 km/h) or 90 nautical miles (170 km) at 3 knots (6 km/h) submerged
Test depth: 350 ft (110 m)
Complement: 5 officers 55 enlisted
Armament: 6 × 21" (2 external)bow torpedo tube, 4 × 21" (2 external) stern torpedo tube, containing a total of 20 torpedoes
Mines: 26
1 × 4" main deck gun, 3 × 0.303 machine gun, 1 × 20 mm AA Oerlikon 20 mm gun

HMS Ambush (P418), was an Amphion-class submarine of the Royal Navy, built by Vickers Armstrong and launched 24 September 1945.

See HMS Ambush for other vessels of the same name.