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H 11

Built By: Fore River (USA)
Build Group: H1
Fate: Scrapped in 1921.

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1918 - 14th Flotilla. Blyth

Held up by the US Government until the USA joined WW1 in 1917.

H1 Specification
Length overall  171 ft 9 inch
Beam  15 ft 9 inch
Draught  15 ft 4 inch
Displacement   438 tons (surface)
  504 tons (submerged)
Diving Depth  150 ft
Speed  Surface 13 knots (design)
  Surface 11.5 knots (service)
  Submerged 9.5 to 10 knots (design)
  Submerged 9 knots (service)
No. of shafts  2
Armament  4 x 21 inch bow tubes (6 torpedoes carried)
Endurance  Surface: 2000 miles at full power (design)
  Surface: 1100 miles at full power or 1600 miles at 10 knots (service)
  Submerged: 70 miles at 3 knots (design)
  Submerged: 9 miles at 8 knots or 34 miles at 3.5 knots (service)
Complement  2 Officers and 20 Rating
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XT 1 (Extent)


Class: 1943 - 1946: XT Class
Built By: Vickers (Barrow)
Build Group: XT
Fate:
Moored in Aberlady Bay and used for weapons trials by de Havilland Mosquito aircraft based at RAF East Fortune.
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