German submarine U-1011

German submarine U-1011 was a Type VIIC/41 U-boat ordered by Nazi Germany's Kriegsmarine during World War II. Laid down on 12 March 1943, at Blohm & Voss, Hamburg, as yard number 211, the incomplete submarine fell victim to an RAF bombing raid on 25 July 1943. Planned repair work was cancelled on 22 July 1944.

Design

German Type VIIC/41 submarines were preceded by the heavier Type VIIC submarines. U-1011 had a displacement of when at the surface and while submerged. She had a total length of, a pressure hull length of, an overall beam of, a height of, and a draught of. The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of for use while surfaced, two BBC GG UB 720/8 double-acting electric motors producing a total of for use while submerged. She had two shafts and two 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-1011 was fitted with five torpedo tubes, fourteen torpedoes or 26 TMA or TMB Naval mines, one SK C/35 naval gun,, one Flak M42 and two C/30 anti-aircraft guns. The boat had a complement of between forty-four and fifty-two.