SM UC-12

History
German Empire
NameUC-12
Ordered23 November 1914
BuilderAG Weser, Bremen
Yard number226
Laid down27 January 1915
Launched29 April 1915
Commissioned2 May 1915
FateSunk by own mine, 16 March 1916
General characteristics
Class & typeType UC I submarine
Displacement
  • 168 t (165 long tons), surfaced
  • 182 t (179 long tons), submerged
Length
Beam3.15 m (10 ft 4 in)
Draft3.06 m (10 ft 0 in)
Propulsion
Speed
  • 6.49 knots (12.02 km/h; 7.47 mph), surfaced
  • 5.67 knots (10.50 km/h; 6.52 mph), submerged
Range
  • 910 nmi (1,690 km; 1,050 mi) at 5 knots (9.3 km/h; 5.8 mph) surfaced
  • 50 nmi (93 km; 58 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (160 ft)
Complement14
Armament
  • 6 × 100 cm (39 in) mine tubes
  • 12 × UC 120 mines
  • 1 × 8 mm (0.31 in) machine gun
Service record
Part of:
  • Pola Flotilla
  • 27 June 1915 – 16 March 1916
Commanders:
  • Oblt.z.S. Cäsar Bauer
  • 2 May – 26 June 1915
  • Kptlt. Karl Palis
  • 27 June 1915 – 1 January 1916
  • Oblt.z.S. Eberhard Fröhner
  • 2 January – 16 March 1916
Operations: 7 patrols
Victories:
  • 1 merchant ship sunk
    (2,382 GRT)
  • 5 auxiliary warships sunk
    (907 GRT)

SM UC-12 was a German Type UC I minelayer submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I.