German submarine U-975

German submarine U-975 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.
She was ordered on 5 June 1941, and was laid down on 10 July 1942 at Blohm & Voss, Hamburg, as yard number 175. She was launched on 24 March 1943 and commissioned under the command of Oberleutnant zur See Hans-Joachim Ebersbach on 29 April 1943.

Design

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-975 had a displacement of when at the surface and while submerged. She had a total length of, a pressure hull length of, a 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 Garbe, Lahmeyer & Co. RP 137/c 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-975 was fitted with five torpedo tubes, fourteen torpedoes or 26 TMA mines, one SK C/35 naval gun, 220 rounds, and one twin C/30 anti-aircraft gun. The boat had a complement of between 44 — 52 men.

On 9 May 1945, U-975 surrendered at Horten, Norway. She was later transferred to Lisahally, Northern Ireland on 27 May 1945. Of the 156 U-boats that eventually surrendered to the Allied forces at the end of the war, U-975 was one of 116 selected to take part in Operation Deadlight. U-975 was towed out on 10 February 1946, and sunk by the British frigate.
The wreck is located at.