German submarine U-283 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.
The submarine was laid down on 10 June 1942 at the Bremer Vulkan yard at Bremen-Vegesack as yard number 48. She was launched on 17 February 1943 and commissioned on 31 March under the command of Oberleutnant zur See Heinz-Günther Scholz.
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-283 had a displacement of 769t when at the surface and 871t while submerged. She had a total length of 67.1m (220.1feet), a pressure hull length of 50.5m (165.7feet), a beam of 6.2m (20.3feet), a height of 9.6m (31.5feet), and a draught of 4.74m (15.55feet). The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of NaNPS for use while surfaced, two AEG GU 460/8–27 double-acting electric motors producing a total of 750PS for use while submerged. She had two shafts and two 1.23abbr=onNaNabbr=on propellers. The boat was capable of operating at depths of up to .
The submarine had a maximum surface speed of and a maximum submerged speed of . When submerged, the boat could operate for at ; when surfaced, she could travel at . U-283 was fitted with five 53.30NaN0 torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one 8.82NaN2 SK C/35 naval gun, 220 rounds, and two twin 2sp=usNaNsp=us C/30 anti-aircraft guns. The boat had a complement of between forty-four and sixty.
U-283 served with the 8th U-boat Flotilla for training from March 1943 to January 1944 and operationally with the 9th flotilla from 1 February. She carried out one patrol, sinking no ships. She was a member of two wolfpacks.
The boat's only patrol began with her departure from Kiel on 13 January 1944.
She was sunk 11 February 1944 southwest of the Faroe Islands by a Canadian Leigh Light equipped Wellington of No. 407 Squadron RCAF.
Forty-nine men died; there were no survivors.
U-283 took part in two wolfpacks, namely: