Military Wiki
HMS D8 IWM Q 41557.jpg
Career RN Ensign
Name: HMS D8
Builder: Vickers Armstrong, Barrow-in-Furness
Laid down: 14 February 1910
Launched: 23 September 1911
Commissioned: 23 March 1912
Fate: Sold 19 December 1921 to H. Pounds
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 D8 was a British D class submarine built by Chatham Dockyard. D8 was laid down on 14 February 1910, launched 23 September 1911 and was commissioned on 23 March 1912.

D8 fought in the Battle of Heligoland Bight on 28 August 1914 along with sister ships HMS D2 and HMS D3. Then on 18 October 1914, D8 shadowed German hospital ship Ophelia which was judged to be spying and was interned.[3]

D8 was sold on 19 December 1921 to H. Pounds.


  1. Fitzsimons, Bernard. Illustrated Encyclopedia of 20th Century Weapons and Warfare (London: Phoebus, 1978), Volume 7, p.674, "D.1".
  2. Fitzsimons, p.674.
  3. "HM Submarine D8". March 21, 2009. Retrieved September 3, 2009. 

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