German submarine U-1104

German submarine U-1104 was a Type VIIC/41 U-boat of Nazi Germany's Kriegsmarine during World War II.
She was ordered on 14 October 1941, and was laid down on 29 June 1943, at Nordseewerke, Emden, as yard number 226. She was launched on 7 December 1943, and commissioned under the command of Oberleutnant zur See Rüdiger Perleberg on 15 March 1944.

Design

German Type VIIC/41 submarines were preceded by the heavier Type VIIC submarines. U-1104 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 SSW GU 343/38-8 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-1104 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.

On 9 May 1945, U-1104 surrendered at Bergen, Norway and was later transferred to Loch Ryan, Scotland on 30 May 1945. Of the 156 U-boats that eventually surrendered to the Allied forces at the end of the war, U-1104 was one of 116 selected to take part in Operation Deadlight. U-1104 was towed out and sank on 1 December 1945 by naval gunfire.
The wreck now lies at.