History | |
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Nazi Germany | |
Name | U-850 |
Ordered | 20 January 1941 |
Builder | DeSchiMAG AG Weser, Bremen |
Yard number | 1056 |
Laid down | 17 March 1942 |
Launched | 7 December 1942 |
Commissioned | 17 April 1943 |
Fate | Sunk west of Madeira on 20 December 1943 by US aircraft in position 32°54′N37°1′W / 32.900°N 37.017°W |
General characteristics | |
Class and type | Type IXD2 submarine |
Displacement | |
Length |
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Beam |
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Height | 10.20 m (33 ft 6 in) |
Draught | 5.35 m (17 ft 7 in) |
Installed power |
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Propulsion |
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Speed |
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Range |
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Test depth | 230 m (750 ft) |
Complement | 66 |
Armament |
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Service record | |
Part of: |
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Identification codes: | M 41 858 |
Commanders: |
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Operations: |
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Victories: | None |
German submarine U-850 was a long-range Type IXD2 U-boat built for Nazi Germany's Kriegsmarine during World War II.
German Type IXD2 submarines were considerably larger than the original Type IXs. U-850 had a displacement of 1,610 tonnes (1,580 long tons) when at the surface and 1,799 tonnes (1,771 long tons) while submerged. [2] The U-boat had a total length of 87.58 m (287 ft 4 in), a pressure hull length of 68.50 m (224 ft 9 in), a beam of 7.50 m (24 ft 7 in), a height of 10.20 m (33 ft 6 in), and a draught of 5.35 m (17 ft 7 in). The submarine was powered by two MAN M 9 V 40/46 supercharged four-stroke, nine-cylinder diesel engines plus two MWM RS34.5S six-cylinder four-stroke diesel engines for cruising, producing a total of 9,000 metric horsepower (6,620 kW; 8,880 shp) for use while surfaced, two Siemens-Schuckert 2 GU 345/34 double-acting electric motors producing a total of 1,000 shaft horsepower (1,010 PS; 750 kW) for use while submerged. She had two shafts and two 1.85 m (6 ft) propellers. The boat was capable of operating at depths of up to 200 metres (660 ft). [2]
The submarine had a maximum surface speed of 20.8 knots (38.5 km/h; 23.9 mph) and a maximum submerged speed of 6.9 knots (12.8 km/h; 7.9 mph). [2] When submerged, the boat could operate for 121 nautical miles (224 km; 139 mi) at 2 knots (3.7 km/h; 2.3 mph); when surfaced, she could travel 12,750 nautical miles (23,610 km; 14,670 mi) at 10 knots (19 km/h; 12 mph). U-850 was fitted with six 53.3 cm (21 in) torpedo tubes (four fitted at the bow and two at the stern), 24 torpedoes, one 10.5 cm (4.13 in) SK C/32 naval gun, 150 rounds, and a 3.7 cm (1.5 in) SK C/30 with 2575 rounds as well as two 2 cm (0.79 in) C/30 anti-aircraft guns with 8100 rounds. The boat had a complement of fifty-five. [2]
The U-boat was ordered on 20 January 1941 and laid down at the DESCHIMAG AG Weser shipyard on 17 March 1942. Assigned yard number 1056, she was launched on 7 December of that year. Commissioned on 17 April 1943 under the command of Korvettenkapitän Klaus Ewerth (Crew 25), who had previously commanded U-26. U-850 served with the 4th U-boat Flotilla until the end of October when she transferred to the 12th U-boat Flotilla for front-line service. U-850 left Kiel on 18 November 1943 destined for the Indian Ocean in order to join Monsoon Group, [3] she was, however, spotted and successfully attacked by US aircraft from USS Bogue west of Madeira on 20 December.
On 20 December 1943, while en route to the Indian Ocean, U-850 was spotted by aircraft of Squadron VC-19. The first aircraft, an Avenger piloted by Lieutenant W.A. La Fleur, attacked the U-boat with depth charges which missed their target. After La Fleur reported the sighting via radio, two Wildcats accompanied by two more Avengers - T18 and T19 - arrived on the scene. While the Wildcats strafed U-850, T19, piloted by Ensign G.C. Goodwin, made another attack with depth charges which hit their target. The U-boat tried to evade by crash diving, but T18, piloted by Lieutenant H.G. Bradshaw, dropped two FIDO torpedoes, which both hit the U-boat on the starboard side. USS George E. Badger and Du Pont later recovered some bodies, body parts, and pieces of wreckage. There were no survivors. [4]
U-850 did not sink or damage any ships while in service.
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