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German submarine U-307

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German submarine U-307

Career (Nazi Germany)
Name: U-307
Ordered: 20 January 1941
Builder: Flender Werke, Lübeck
Yard number: 307
Laid down: 5 November 1941
Launched: 30 September 1942
Commissioned: 18 November 1942
Fate: Sunk by depth charges, 29 April 1945[1]
General characteristics
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
Draft: 4.74 m (15 ft 7 in)
Propulsion: 2 × supercharged Germaniawerft 6-cylinder 4-stroke F46 diesel engines, totalling 2,800–3,200 bhp (2,100–2,400 kW). Max rpm: 470-490
2 × GL RP 137/c electric motors, totalling 750 shp (560 kW) and max rpm: 296
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)
Complement: 44–52 officers and ratings
Armament:
Service record
Part of: 8th U-boat Flotilla
(18 November 1942–30 April 1943)
11th U-boat Flotilla
(1 May–31 October 1943)
13th U-boat Flotilla
(1 November 1943–29 April 1945)
Commanders: Oblt.z.S. Friedrich-Georg Herrle
(18 November 1942–1 December 1944)
Oblt.z.S. Erich Krüger
(2 December 1944–29 April 1945)
Operations: 13 patrols
Victories: 2 vessels (7,226 GRT)

German submarine U-307 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The U-boat was laid down on 5 November 1941, and commissioned on 18 November 1942.

Service history

Despite carrying out 13 war patrols between July 1943 and April 1945, U-307 sank only two vessels; the 7,176-ton American Liberty ship SS William S. Thayer on 30 April 1944, fifty miles south of Bear Island, and the 50-ton Norwegian Army motor boat Lennox in Van Mijenfjorden, Spitsbergen, on 18 August 1944.

In September 1944, together with the supply ship Karl J. Busch, U-307 transported the men of Operation Haudegen, a German military meteorological mission, to Svalbard.

Wolf Packs

U-307 took part in 12 wolf packs, namely.

  • Wiking (5 Sep 1943 - 8 Oct 1943)
  • Monsun (3 Oct 1943 - 23 Nov 1943)
  • Eisenbart (28 Oct 1943 - 8 Dec 1943)
  • Boreas (28 Feb 1944 - 10 Mar 1944)
  • Thor (17 Mar 1944 - 26 Mar 1944)
  • Donner (17 Apr 1944 - 20 Apr 1944)
  • Donner & Keil (20 Apr 1944 - 3 May 1944)
  • Grimm (31 May 1944 - 6 Jun 1944)
  • Trutz (8 Jun 1944 - 10 Jul 1944)
  • Rasmus (6 Feb 1945 - 13 Feb 1945)
  • Hagen (13 Mar 1945 - 21 Mar 1945)
  • Faust (21 Apr 1945 - 29 Apr 1945)

Fate

U-307 was sunk on 29 April 1945 in the Barents Sea near Murmansk, Russia, in position by depth charges from the British Loch class frigate HMS Loch Insh. There were 37 dead and 14 survivors.

Summary of Raiding Career

Date Ship Name Nationality Displacement Fate[2]
30 April 1944 William S. Thayer  United States 7,176 Sunk
18 August 1944 Lennox  Norway 50 Sunk

References

Notes
  1. ^ Kemp, Paul: U-Boats Destroyed - German Submarine Losses in the World Wars, 1999, Arms & Armour, ISBN 1-85409-515-3, p. 254.
  2. ^ http://uboat.net/boats/successes/u306.html
Bibliography

External links

  • U-307 at U-boat.net
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