SM UC-7

History
German Empire
NameUC-7
OrderedNovember 1914
BuilderAG Vulcan, Hamburg
Yard number51
Launched6 July 1915
Commissioned9 July 1915
FateMissing since 5 July 1916; possibly sunk by a mine
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
  • 12 August 1915 – 5 July 1916
Commanders:
  • Oblt.z.S. Franz Wäger
  • 9 July – 29 November 1915
  • Oblt.z.S. Georg Haag
  • 30 November 1915 – 5 July 1916
Operations: 34 patrols
Victories:
  • 19 merchant ships sunk
    (40,901 GRT)
  • 1 warship sunk
    (3,520 tons)
  • 12 auxiliary warships sunk
    (4,833 GRT)
  • 2 merchant ships damaged
    (6,151 GRT)

SM UC-7 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 6 July 1915. She was commissioned into the German Imperial Navy on 9 July 1915 as SM UC-7. Mines laid by UC-7 in her 34 patrols were credited with sinking 32 ships.