German submarine U-757

History
Nazi Germany
NameU-757
Ordered9 October 1939[1]
BuilderKriegsmarinewerft Wilhelmshaven
Yard number140
Laid down18 May 1940[1]
Launched14 December 1941[1]
Commissioned28 February 1942[1]
FateSunk on 8 January 1944[1]
General characteristics
Class and typeType VIIC submarine
Displacement
Length
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)
Complement4officers, 40–56 enlisted
Armament
Service record
Part of:
Identification codes: M 39 567
Commanders:
Operations:
  • 5 patrols:
  • 1st patrol:
  • 26 September – 24 October 1942
  • 2nd patrol:
  • 12 – 25 December 1942
  • 3rd patrol:
  • 22 February – 18 March 1943
  • 4th patrol:
  • 7 July – 4 September 1943
  • 5th patrol:
  • a. 31 October – 2 November 1943
  • b. 16 – 18 November 1943
  • c. 20 – 22 November 1943
  • d. 29 November – 1 December 1943
  • e. 29 December 1943 – 8 January 1944
Victories:
  • 2 merchant ships sunk
    (11,313 GRT)
  • 1 warship sunk
    (291 tons)

German submarine U-757 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. Laid down as yard number 140 at the Kriegsmarinewerft (KMW) in Wilhelmshaven, U-757 served with 6th U-boat Flotilla from 28 February 1942 until 8 January 1944 under the command of Korvettenkapitän Friedrich Deetz.[1]

  1. ^ a b c d e f Helgason, Guðmundur. "The Type VIIC boat U-757". German U-boats of WWII - uboat.net.