SM UC-3

History
German Empire
NameUC-3
OrderedNovember 1914
BuilderAG Vulcan, Hamburg
Yard number47
Launched28 May 1915
Commissioned1 June 1915
Fate
  • Sunk 23 April 1916
  • Sunk 27 May 1916
General characteristics
Class & typeType UC I submarine
Displacement
  • 168 t (165 long tons), surfaced
  • 183 t (180 long tons), submerged
Length
Beam3.15 m (10 ft 4 in)
Draft3.04 m (10 ft)
Propulsion
Speed
  • 6.20 knots (11.48 km/h; 7.13 mph), surfaced
  • 5.22 knots (9.67 km/h; 6.01 mph), submerged
Range
  • 780 nmi (1,440 km; 900 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:
  • Flandern Flotilla
  • 30 June 1915 – 23 April / 27 May 1916
Commanders:
  • Kptlt. Erwin Weisbach
  • 1 June – 26 September 1915
  • Oblt.z.S. Erwin Waßner
  • 27 September 1915 – 12 May 1916
  • Oblt.z.S. Günther Kreysern
  • 13 – 27 May 1916
Operations: 29 patrols
Victories:
  • 16 merchant ships sunk
    (28,483 GRT)
  • 6 auxiliary warships sunk
    (2,109 GRT)
  • 2 merchant ships damaged
    (1,909 GRT)

SM UC-3 was a German Type UC I minelayer submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat had been ordered by November 1914 and was launched on 28 May 1915. She was commissioned into the German Imperial Navy on 1 June 1915 as UC-3. Mines laid by UC-3 in her 29 patrols were credited with sinking 22 ships and damaging 2 others. UC-3 was caught in a net, detected by hydrophone, and sunk on 23 April 1916 or mined and sunk on 27 May 1916.