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 [2]
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)
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 194230 April 1943)
11th U-boat Flotilla
(1 May31 October 1943)
13th U-boat Flotilla
(1 November 194329 April 1945)
Commanders: Oblt.z.S. Friedrich-Georg Herrle
(18 November 19421 December 1944)
Oblt.z.S. Erich Krüger
(2 December 194429 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 Carl J. Busch, U-307 transported the men of Operation Haudegen, a German military meteorological mission, to Svalbard.

Wolfpacks

U-307 took part in twelve wolfpacks, namely.

Fate

U-307 was sunk on 29 April 1945 in the Barents Sea near Murmansk, Russia, in position 69°24′N 33°44′E / 69.400°N 33.733°ECoordinates: 69°24′N 33°44′E / 69.400°N 33.733°E 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[3]
30 April 1944 William S. Thayer  United States 7,176 Sunk
18 August 1944 Lennox  Norway 50 Sunk

References

  1. Kemp 1999, p. 254.
  2. Gröner 1985, pp. 72-74.
  3. Helgason, Guðmundur. "Ships hit by U-307". German U-boats of WWII - uboat.net. Retrieved 26 December 2014.

Bibliography

External links