She was ordered on 25 August 1941, and was laid down on 6 February 1943 at Howaldtswerke AG, Kiel, as yard number 33. She was launched on 3 April 1944 and commissioned under the command of Oberleutnant zur See Günther Fiebig on 20 April 1944.
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-1131 had a displacement of 769 tonnes when at the surface and 871 tonnes while submerged. She had a total length of 67.10 m , a pressure hull length of 50.50 m , a beam of 6.20 m , a height of 9.60 m , and a draught of 4.74 m . 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 for use while surfaced, two Garbe, Lahmeyer & Co. RP 137/c double-acting electric motors producing a total of 750 metric horsepower for use while submerged. She had two shafts and two 1.23 m propellers. The boat was capable of operating at depths of up to 230 metres .
Copyright: CC 3.0