SM UB-69

UB-148 at sea, a U-boat similar to UB-69.
History
German Empire
NameUB-69
Ordered20 May 1916
BuilderFriedrich Krupp Germaniawerft, Kiel
Cost3,276,000 German Papiermark
Yard number287
Launched7 August 1917
Commissioned12 October 1917
FateSunk 9 January 1918 at 37°30′N 10°38′E / 37.500°N 10.633°E / 37.500; 10.633 by British warship
General characteristics
Class & typeType UB III submarine
Displacement
  • 513 t (505 long tons) surfaced
  • 647 t (637 long tons) submerged
Length55.83 m (183 ft 2 in) (o/a)
Beam5.80 m (19 ft)
Draught3.67 m (12 ft 0 in)
Propulsion
Speed
  • 13.2 knots (24.4 km/h; 15.2 mph) surfaced
  • 7.6 knots (14.1 km/h; 8.7 mph) submerged
Range
  • 9,090 nmi (16,830 km; 10,460 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:
  • I Flotilla
  • Unknown – 9 January 1918
Commanders:
  • Oblt.z.S. Alfred Klatt
  • 12 October 1917 – 9 January 1918
Operations: 1 patrol
Victories: None

SM UB-69 was a German Type UB III submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 12 October 1917 as SM UB-69.

UB-69 was serving in the Mediterranean when sunk at 37°30′N 10°38′E / 37.500°N 10.633°E / 37.500; 10.633 on 9 January 1918 by HMS Cyclamen. 31 crew members died in the event.