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German submarine U-683 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 23 December 1942 at the Howaldtswerke yard at Hamburg, launched on 7 March 1944, and commissioned on 30 May 1944 under the command of Oberleutnant zur See Günter Keller.

Attached to 31st U-boat Flotilla based at Wesermünde, U-683 completed her training period on 31 December 1944 and was assigned to front-line service.

Design

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-683 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged.[1] 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 Siemens-Schuckert GU 343/38–8 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).[1]

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).[1] 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-683 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), one 3.7 cm (1.5 in) Flak M42 and two twin 2 cm (0.79 in) C/30 anti-aircraft guns. The boat had a complement of between forty-four and sixty.[1]

Service history

On the first and final war patrol, U-683 was last heard from on 20 February 1945 en route to the assigned patrol area off Cherbourg. The U-boat was declared missing on 3 April 1945.[2]

Previously recorded fate

The U-683 was recorded missing on 12 March 1945 after it was sunk in the English Channel the same day by depth charges from British frigate HMS Loch Ruthven and British sloop HMS Wild Goose. This attack was probably against the wreck of U-247.

References

  1. ^ a b c d Gröner 1991, pp. 43–46.
  2. ^ Busch & Röll 1999b, p. 318.

Bibliography

External links

55°0′N 12°30′W / 55.000°N 12.500°W / 55.000; -12.500

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