SM UC-65

History
German Empire
NameUC-65
Ordered12 January 1916
BuilderBlohm & Voss, Hamburg
Yard number281
Launched8 July 1916
Commissioned7 November 1916
FateTorpedoed and sunk by HMS C15 on 3 November 1917
General characteristics
Class & typeType UC II submarine
Displacement
  • 427 t (420 long tons), surfaced
  • 508 t (500 long tons), submerged
Length
Beam
  • 5.22 m (17 ft 2 in) o/a
  • 3.65 m (12 ft) pressure hull
Draught3.64 m (11 ft 11 in)
Propulsion
Speed
  • 12.0 knots (22.2 km/h; 13.8 mph), surfaced
  • 7.4 knots (13.7 km/h; 8.5 mph), submerged
Range
  • 10,420 nmi (19,300 km; 11,990 mi) at 7 knots (13 km/h; 8.1 mph) surfaced
  • 52 nmi (96 km; 60 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (160 ft)
Complement26
Armament
Notes35-second diving time
Service record
Part of:
  • Flanders Flotilla
  • 3 February – 3 November 1917
Commanders:
  • Oblt.z.S. / Kptlt. Otto Steinbrinck
  • 10 November 1916 – 31 July 1917
  • Kptlt. Max Viebeg
  • 1 August – 3 September 1917
  • Kptlt. Claus Lafrenz
  • 4 September – 3 November 1917
Operations: 11 patrols
Victories:
  • 101 merchant ships sunk
    (115,360 GRT + Unknown GRT)
  • 1 warship sunk
    (11,000 tons)
  • 4 auxiliary warships sunk
    (858 GRT)
  • 9 merchant ships damaged
    (60,233 GRT + Unknown GRT)
  • 1 warship damaged
    (850 tons)
  • 2 auxiliary warships damaged
    (8,283 GRT)

SM UC-65 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat was ordered on 12 January 1916 and was launched on 8 July 1916. She was commissioned into the German Imperial Navy on 7 November 1916 as SM UC-65. In eleven patrols UC-65 was credited with sinking 106 ships, either by torpedo or by mines laid. UC-65 was torpedoed and sunk by HMS C15 on 3 November 1917.