German submarine U-707

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Career (Nazi Germany)
Name: U-706
Operator: Kriegsmarine
Ordered: 9 October 1939
Builder: H. C. Stülcken Sohn, Hamburg
Yard number: 771
Launched: 18 December 1941
Commissioned: 1 July 1942
Fate: Sunk on 9 November 1943 off the Azores at 40°31′N 20°17′W / 40.517°N 20.283°W / 40.517; -20.283Coordinates: 40°31′N 20°17′W / 40.517°N 20.283°W / 40.517; -20.283
General characteristics [1]
Class and type: Type VIIC submarine
Displacement: 769 tonnes (757 long tons) surfaced
871 t (857 long tons) submerged
Length: 67.1 m (220 ft 2 in) o/a
50.5 m (165 ft 8 in) pressure hull
Beam: 6.2 m (20 ft 4 in) o/a
4.7 m (15 ft 5 in) pressure hull
Height: 9.6 m (31 ft 6 in)
Draft: 4.74 m (15 ft 7 in)
Installed power: 2 × supercharged Germania-Werft 6 cylinder, four-stroke F46 diesel engines
2 × GL RP 137/c electric motors
Propulsion: 2 × shafts
2 × 1.23 m (4 ft 0 in) propellers
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 nautical miles (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph)
Test depth: 230 m (750 ft)
Crush depth: 250–295 m (820–968 ft)
Complement: 44–60 officers & ratings
Armament:

German submarine U-707 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.

Ordered 6 August 1940, she was laid down 2 January 1941 and launched 18 December 1941. She had a relatively brief career from 1 July 1942 to 9 November 1943, and during this time she was commanded by Oberleutnant zur See Günther Gretschel.

Patrol History[edit]

During her career, U-707 sunk two ships, for a total tonnage of 11,811 GRT, namely the US freighter Jonathan Sturges, a straggler of convoy ON 166, and the British freighter North Britain also a straggler of convoy ONS 5.

She participated in nine wolfpacks, namely,

  • Haudegen (26 January - 2 February 1943)
  • Nordsturm (2–9 February 1943)
  • Haudegen (9–15 February 1943) rejoined
  • Taifun (15–20 February 1943)
  • Specht (19 April - 4 May 1943)
  • Fink (4–6 May 1943)
  • Naab (12–15 May 1943)
  • Donau 2 (15–26 May 1943)
  • Schill (25 October - 9 November 1943)

Fate[edit]

While on patrol east of the Azores, she was depth charged and sunk on 9 November 1943 from a RAF Fortress aircraft, from Sqdn. 220/J R.A.F, at position 40°31′N 20°17′W / 40.517°N 20.283°W / 40.517; -20.283Coordinates: 40°31′N 20°17′W / 40.517°N 20.283°W / 40.517; -20.283. She was lost with all hands; 51 dead.

Summary of raiding career[edit]

Date Ship Name Nationality Tonnage (GRT) Fate[2]
24 February 1943 Jonathan Sturges  United States 7,176 Sunk
5 May 1943 North Britain  United Kingdom 4,635 Sunk

References[edit]

  1. ^ Gröner 1985, pp. 72-74.
  2. ^ Helgason, Guðmundur. "Ships hit by U-707". German U-boats of WWII - uboat.net. Retrieved 9 February 2014. 

Bibliography[edit]

  • Busch, Rainer; Röll, Hans-Joachim (1999). Deutsche U-Boot-Verluste von September 1939 bis Mai 1945. Der U-Boot-Krieg (in German) IV (Hamburg, Berlin, Bonn: Mittler). ISBN 3-8132-0514-2. 
  • Gröner, Erich (1985). U-Boote, Hilfskreuzer, Minenschiffe, Netzleger, Sperrbrecher. Die deutschen Kriegsschiffe 1815-1945 (in German) III (Koblenz: Bernard & Graefe). ISBN 3-7637-4802-4. 

External links[edit]