SM UB-65

History
German Empire
NameUB-65
Ordered20 May 1916
BuilderVulkan Werke, Hamburg
Yard number90
Launched26 June 1917
Commissioned18 August 1917
FateLost to unknown cause off Padstow, Cornwall after 14 July 1918.
General characteristics
Class & typeType UB III submarine
Displacement
  • 508 t (500 long tons) surfaced
  • 639 t (629 long tons) submerged
Length55.52 m (182 ft 2 in) (o/a)
Beam5.76 m (18 ft 11 in)
Draught3.70 m (12 ft 2 in)
Propulsion
Speed
  • 13.3 knots (24.6 km/h; 15.3 mph) surfaced
  • 8 knots (15 km/h; 9.2 mph) submerged
Range
  • 8,420 nmi (15,590 km; 9,690 mi) at 6 knots (11 km/h; 6.9 mph) surfaced
  • 55 nmi (102 km; 63 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (160 ft)
Complement3 officers, 31 men
Armament
Service record
Part of:
  • V Flotilla
  • 30 September 1917 – 18 April 1918
  • II Flotilla
  • 18 April – 14 July 1918
Commanders:
  • Kptlt. Martin Schelle
  • 18 August 1917 – 14 July 1918
Operations: 6 patrols
Victories:
  • 6 merchant ships sunk
    (6,197 GRT)
  • 1 warship sunk
    (1,290 tons)
  • 6 merchant ships damaged
    (11,443 GRT)

SM UB-65 was a Type UB III U-boat of the Imperial German Navy during World War I. Ordered on 20 May 1916, the U-boat was built at the Vulkan Werke shipyard in Hamburg, launched on 26 June 1917, and commissioned on 18 August 1917, under the command of Kapitänleutnant Martin Schelle.