German submarine U-957
|Ordered||10 April 1941|
|Builder||Blohm & Voss, Hamburg|
|Laid down||11 March 1942|
|Launched||21 November 1942|
|Commissioned||7 January 1943|
|Decommissioned||21 October 1944|
|Fate||Probably scuttled in May 1945|
|Class and type||Type VIIC submarine|
|Height||9.60 m (31 ft 6 in)|
|Draught||4.74 m (15 ft 7 in)|
|Complement||4 officers, 40–56 enlisted|
German submarine U-957 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.
Laid down by Blohm & Voss, Hamburg on 11 March 1942, the U-boat was launched on 21 November 1942, and commissioned on 7 January 1943, by Oberleutnant zur See Franz Saar.
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German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-957 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged. 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 Brown, Boveri & Cie GG UB 720/8 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).
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). 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-957 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 one twin 2 cm (0.79 in) C/30 anti-aircraft gun. The boat had a complement of between forty-four and sixty.
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Under the command of Oberleutnant zur See Gerhard Schaar U-957 carried out seven war patrols between December 1943 and October 1944, sinking two commercial vessels; the British Fort Bellingham and the Soviet survey vessel Nord; and two military vessels, the American submarine chaser USS PTC-38, and the Soviet corvette Brilliant.
Her combat career ended on 19 October 1944 at Lofoten, Norway, when she collided with a German steamer. On 21 October 1944 she was taken out of service in Trondheim.
In May 1945, she was probably scuttled in the Skjömenfjord.
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Summary of raiding history
|Date||Ship Name||Nationality||Tonnage[Note 1]||Fate|
|26 January 1944||Fort Bellingham||United Kingdom||7,153||Sunk|
|26 January 1944||USS PTC-38||United States Navy||54||Sunk|
|26 August 1944||Nord||Soviet Navy||411||Sunk|
|23 September 1944||Brilliant||Soviet Navy||550||Sunk|
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Source: "German submarine U-957", Wikipedia, Wikimedia Foundation, (2022, April 10th), https://en.wikipedia.org/wiki/German_submarine_U-957.
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- ^ Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.
- ^ a b c d Gröner 1991, pp. 43–46.
- ^ Helgason, Guðmundur. "The Type VIIC boat U-957". German U-boats of WWII - uboat.net. Retrieved 28 August 2009.
- ^ Helgason, Guðmundur. "Ships hit by U-957". German U-boats of WWII - uboat.net. Retrieved 28 August 2009.
- Busch, Rainer; Röll, Hans-Joachim (1999). German U-boat commanders of World War II : a biographical dictionary. Translated by Brooks, Geoffrey. London, Annapolis, Md: Greenhill Books, Naval Institute Press. ISBN 1-55750-186-6.
- Busch, Rainer; Röll, Hans-Joachim (1999). Deutsche U-Boot-Verluste von September 1939 bis Mai 1945 [German U-boat losses from September 1939 to May 1945]. Der U-Boot-Krieg (in German). Vol. IV. Hamburg, Berlin, Bonn: Mittler. ISBN 3-8132-0514-2.
- Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.
- Sharpe, Peter (1998). U-Boat Fact File. Great Britain: Midland Publishing. ISBN 1-85780-072-9.
- Helgason, Guðmundur. "The Type VIIC boat U-957". German U-boats of WWII - uboat.net. Retrieved 29 December 2014.
- Hofmann, Markus. "U 957". Deutsche U-Boote 1935-1945 - u-boot-archiv.de (in German). Retrieved 29 December 2014.
- 1942 ships
- Articles with short description
- CS1 German-language sources (de)
- German Type VIIC submarines
- Maritime incidents in October 1944
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- Short description matches Wikidata
- U-boat accidents
- U-boats commissioned in 1943
- Use dmy dates from December 2014
- World War II submarines of Germany
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