German submarine U-612

German submarine U-612 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was ordered on 15 August 1940 and laid down at Blohm & Voss, Hamburg, on 21 April 1941. She was launched on 9 January 1942 and commissioned 5 March 1942 Oberleutnant zur See Paul Siegmann was her first commanding officer. He was joined in May 1942 by Herbert Werner, author of the book Iron Coffins, as First Officer.

History
Nazi Germany
NameU-612
Ordered15 August 1940
BuilderBlohm & Voss, Hamburg
Yard number588
Laid down21 April 1941
Launched9 January 1942
Commissioned5 March 1942
Recommissioned31 May 1943
Fate
  • Rammed and sunk by U-444 on 6 August 1942
  • Scuttled on 1 May 1945
General characteristics
Class and typeType VIIC submarine
Displacement
  • 769 tonnes (757 long tons) surfaced
  • 871 t (857 long tons) submerged
Length
  • 67.10 m (220 ft 2 in) o/a
  • 50.50 m (165 ft 8 in) pressure hull
Beam
  • 6.20 m (20 ft 4 in) o/a
  • 4.70 m (15 ft 5 in) pressure hull
Height9.60 m (31 ft 6 in)
Draught4.74 m (15 ft 7 in)
Installed power
  • 2,800–3,200 PS (2,100–2,400 kW; 2,800–3,200 bhp) (diesels)
  • 750 PS (550 kW; 740 shp) (electric)
Propulsion
Speed
  • 17.7 knots (32.8 km/h; 20.4 mph) surfaced
  • 7.6 knots (14.1 km/h; 8.7 mph) submerged
Range
  • 8,500 nmi (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph) surfaced
  • 80 nmi (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth
  • 230 m (750 ft)
  • Crush depth: 250–295 m (820–968 ft)
Complement4 officers, 40–56 enlisted
Armament
Service record
Part of:
Identification codes: M 42 940
Commanders:
  • Kptlt. Paul Siegmann
  • 5 March – 6 August 1942
  • Oblt.z.S. Theodor Petersen
  • 31 May 1943 – 20 February 1944
  • Oblt.z.S. Hans-Peter Dick
  • 21 February 1944 – 1 May 1945
Operations: None
Victories: None

While still on trials in the Baltic U-612 was sunk in collision with U-444 on 6 August 1942. She was later salvaged and served as a training boat until the end of the war, when she was scuttled on 1 May 1945.

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