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Career (Nazi Germany)
Name: U-857
Ordered: 5 June 1941
Builder: AG Weser, Bremen
Yard number: 1063
Laid down: 16 November 1942
Launched: 25 May 1943
Commissioned: 16 September 1943
Fate: Sank due to unknown causes in April 1945
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General characteristics
Type: Type IXC/40 submarine
Displacement: 1,120 t (1,100 long tons) surfaced
1,232 t (1,213 long tons) submerged
Length: 76.8 m (252 ft 0 in) o/a
58.7 m (192 ft 7 in) pressure hull
Beam: 6.9 m (22 ft 8 in) o/a
4.4 m (14 ft 5 in) pressure hull
Height: 9.6 m (31 ft 6 in)
Draught: 4.7 m (15 ft 5 in)
Propulsion: 2 × MAN M9V40/46 supercharged 9-cylinder diesel engines, 4,400 hp (3,281 kW)
2 × SSW GU345/34 double-acting electric motors, 1,000 hp (746 kW)
Speed: 19 knots (35 km/h) surfaced
7.3 knots (13.5 km/h) submerged
Range: 25,620 nmi (47,450 km) at 10 knots (19 km/h) surfaced
117 nmi (217 km) at 4 kn (7.4 km/h) submerged
Test depth: 230 m (750 ft)
Complement: 48 to 56
Armament: • 6 × torpedo tubes (four bow, two stern)
• 22 × 533 mm (21 in) torpedoes
• 1 × Utof 105 mm/45 deck gun (110 rounds)
• AA guns

German submarine U-857 was a Type IXC/40 U-boat of the Nazi German Kriegsmarine built for service during the Second World War. She was ordered on 5 June 1941, laid down on 16 November 1942, and launched on 25 May 1943. For her operational lifespan, she was commanded by Kapitänleutnant Rudolf Premauer and had a crew complement of 59.

She undertook three patrols, the first was for training. She sank two ships for a total tonnage of 15,259 GRT, and damaged one other ship on her last two patrols.[1] She sank the MV Belgian Airman on 14 April 1945, the SS Swiftscout on 18 April 1945 and damaged the MV Katy on 23 April 1945.

U-857 went missing in April 1945 in the North Atlantic Ocean off the east coast of the United States. All hands were lost, and no wreckage was found.

The U-Boat had been claimed to have been sunk by depth charge hedgehogs off the coast of Massachusetts in April 1945 by the USS Gustafson and was also thought to have been possibly sunk by the USS Coffman.[2] However more recent commentary surmised that the Gustafson had not hit her, and her loss is currently unexplained.[3][4]

References

  1. http://uboat.net/boats/u857.htm
  2. http://www.desausa.org/images3/sinking_of_u_879.htm
  3. Niestlé, Axel "German U-boat Losses During World War II: Details of Destruction" (Annapolis: Naval Institute Press, 1998)
  4. "USCG-U-857". 26 January 2012. http://www.uscg.mil/history/uscghist/U857.asp. Retrieved 19 December 2012. 

External links



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