German submarine U-287

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History
War ensign of Germany (1938-1945).svg Nazi Germany
NameU-287
Ordered5 June 1941
Builder Bremer Vulkan, Bremen-Vegesack
Yard number52
Laid down8 August 1942
Launched13 August 1943
Commissioned22 September 1943
FateScuttled 16 May 1945 (Sunk by a mine, according to official records)
General characteristics
Class and type Type VIIC submarine
Displacement
  • 769 tonnes (757 long tons) surfaced
  • 871 t (857 long tons) submerged
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 [1] [2]
Part of:
Identification codes: M 20 576
Commanders:
  • Oblt.z.S. Heinrich Meyer
  • 22 September 1943 – 16 May 1945
Operations:
  • 1 patrol:
  • 29 April – 16 May 1945
Victories: None

German submarine U-287 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 8 August 1942 at the Bremer Vulkan yard at Bremen-Vegesack as yard number 52. She was launched on 13 August 1943 and commissioned on 22 September under the command of Oberleutnant zur See Heinrich Meyer. [1] She did not sink or damage any ships.

Contents

Official records report that she was sunk by a mine in May 1945 in the Elbe estuary. But late interviews with crew members support that she was scuttled. According to these sources [3] the remaining four crew members convinced British investigators they were struck by a mine. This version avoided the whole crew for being charged for destroying the sub which was supposed to be handed over to allies forces according to German Instrument of Surrender. [4]

Design

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-287 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged. [5] She had a total length of 67.10 m (220 ft 2 in), a pressure hull length of 50.50 m (165 ft 8 in), a beam of 6.20 m (20 ft 4 in), a height of 9.60 m (31 ft 6 in), and a draught of 4.74 m (15 ft 7 in). The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of 2,800 to 3,200 metric horsepower (2,060 to 2,350 kW; 2,760 to 3,160 shp) for use while surfaced, two AEG GU 460/8–27 double-acting electric motors producing a total of 750 metric horsepower (550 kW; 740 shp) for use while submerged. She had two shafts and two 1.23 m (4 ft) propellers. The boat was capable of operating at depths of up to 230 metres (750 ft). [5]

The submarine had a maximum surface speed of 17.7 knots (32.8 km/h; 20.4 mph) and a maximum submerged speed of 7.6 knots (14.1 km/h; 8.7 mph). [5] When submerged, the boat could operate for 80 nautical miles (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 8,500 nautical miles (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph). U-287 was fitted with five 53.3 cm (21 in) torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one 8.8 cm (3.46 in) SK C/35 naval gun, 220 rounds, and two twin 2 cm (0.79 in) C/30 anti-aircraft guns. The boat had a complement of between forty-four and sixty. [5]

Service history

U-287 served with the 24th U-boat Flotilla for training from September 1943 to February 1945 and operationally with the 31st flotilla from 1 March.

The boat's only patrol was preceded by two short voyages from Kiel in April 1945 to Horten Naval Base and Kristiansand in Norway (the former being located northeast of Kristiansand). [6]

Patrol and loss

The boat departed Kristiansand on 29 April 1945 and was stayed in the Elbe estuary. The whole crew but four evacuated on lifeboats to Altenbruch before the remaining crew scuttled the ship near Schelenkuhlen in the Elbe river on 16 May. They testified that they were sunk by a mine, which was documented as the official reason of loss.

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References

  1. 1 2 Helgason, Guðmundur. "The Type VIIC boat U-287". German U-boats of WWII - uboat.net. Retrieved 8 August 2012.
  2. Helgason, Guðmundur. "War Patrols by German U-boat U-287". German U-boats of WWII - uboat.net. Retrieved 8 August 2012.
  3. "Die Geschichte zu U 287".
  4. Hofmann, Markus. "U 287". Deutsche U-Boote 1935-1945 - u-boot-archiv.de (in German). Retrieved 26 December 2014.
  5. 1 2 3 4 Gröner 1991, pp. 43–46.
  6. The Times Atlas of the World - Third edition, revised 1995, ISBN   0-7230-0809-4, p. 12

Bibliography

53°50′N8°50′E / 53.833°N 8.833°E / 53.833; 8.833