HMS Artful (P456)

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Career Royal Navy Ensign
Ordered: Very late in World War II
Builder: Scotts of Greenock
Laid down: June 8, 1944
Launched: May 22, 1944
Commissioned: February 23, 1948
Decommissioned: 1971
Fate: Sold to be broken up for scrap on 16 June 1972. Broken up at Cairnryan in June 1972
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 miles at 11 knots surfaced
16 miles at 8 knots or 90 miles at 3 knots 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 Artful (P456), was an Amphion-class submarine of the Royal Navy, built by Scotts Shipbuilding & Engineering Co. of Greenock and launched May 22, 1944.

For other vessels of the same name see HMS Artful.