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HMS D1 (WWI).jpg
Career RN Ensign
Name: HMS D1
Builder: Vickers Armstrong, Barrow-in-Furness
Laid down: 14 May 1907
Launched: 16 May 1908
Commissioned: September 1909
Fate: Sunk (as a target) on 23 October 1918
General characteristics
Class & type: D class submarine
Displacement: Surfaced= 483 tons / Submerged= 595 tons
Length: 163.0 ft (49.7 m) (oa)
Beam: 13.6 ft (4.1 m) (oa)
Propulsion: 550hp electric 1750hp diesel twin screws
Speed: Surfaced=14.0 kts / Dived= 10.0 (design) 9.0 (service)
Range: Surface= 2500nm at 10 kts / Submerged=45nm at 5knots
Complement: 25
Armament: 3x18 in (46 cm) torpedo tubes (2 forward, one aft, 6 torpedoes)[1] / 1x12 pdr (76 mm) QF gun[2]

HMS D1 was a British D class submarine built by Vickers, Barrow. D1 was laid down on 14 May 1907 and was launched on 16 May 1908 at Barrow. She was commissioned in September 1909.

In 1910, D1 took part in the Annual Manoevures. She torpedoed 2 blue fleet cruisers off Colonsay. This showed that the D class could operate a considerable away from their base at Fort Blockhouse.

D1 was sunk as a target on 23 October 1918.

External links[]


  1. Fitzsimons, Bernard. Illustrated Encyclopedia of 20th Century Weapons and Warfare (London: Phoebus, 1978), Volume 7, p.674, "D.1".
  2. Fitzsimons, p.674.
  • Submarines, war beneath the waves, from 1776 to the present day, by Robert Hutchinson
  • The Royal Navy Submarine Service, A Centennial History, by Antony Preston

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