German submarine U-340

History
Nazi Germany
NameU-340
Ordered17 December 1940
BuilderNordseewerke, Emden
Yard number212
Laid down1 October 1941
Launched20 August 1942
Commissioned16 October 1942
FateSunk on 2 November 1943[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)
Complement4 officers, 40–56 enlisted
Armament
Service record[2][3]
Part of:
Identification codes: M 49 695
Commanders:
  • Oblt.z.S. Hans-Joachim Klaus
  • 16 October 1942 – 2 November 1943
Operations:
  • 3 patrols:
  • 1st patrol:
  • 29 April – 31 May 1943
  • 2nd patrol:
  • 6 July – 2 September 1943
  • 3rd patrol:
  • 17 October – 2 November 1943
Victories: None

German submarine U-340 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.

The submarine was laid down on 1 October 1941 at the Nordseewerke yard at Emden, launched on 20 August 1942, and commissioned on 16 October 1942 under the command of Oberleutnant zur See Hans-Joachim Klaus. U-340 served with the 8th U-boat Flotilla, for training and then with the 6th U-boat Flotilla for operational service from 1 May to 2 November 1943.

  1. ^ Kemp 1999, pp. 155–6.
  2. ^ Helgason, Guðmundur. "The Type VIIC boat U-340". German U-boats of WWII - uboat.net. Retrieved 11 January 2010.
  3. ^ Helgason, Guðmundur. "War Patrols by German U-boat U-340". German U-boats of WWII - uboat.net. Retrieved 11 January 2010.