HMS Alderney (P416)

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Career Royal Navy Ensign
Ordered: Very late in World War II
Builder: Vickers Armstrong, Barrow-in-Furness
Laid down: 6 February 1945
Launched: 25 June 1945
Commissioned: 10 December 1946
Decommissioned: November 1967
Status: Sold to be broken up for scrap on 6 June 1972
General Characteristics
Displacement: 1,360/1,590 tons (surface/submerged)
Length: 293 ft 6 in
Beam: 22 ft 4 in
Draught: 18 ft 1 in
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
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 Alderney (P416), was an Amphion-class submarine of the Royal Navy, built by Vickers Armstrong and launched 25 June 1945.

See HMS Alderney for other vessels of the same name.


Amphion-class submarine
Acheron | Aeneas | Affray | Alaric | Alcide | Alderney | Alliance | Ambush | Amphion | Anchorite | Andrew | Artemis | Artful | Astute | Auriga | Aurochs

List of submarines of the Royal Navy