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.[1]
German Type VIIC/41 submarines were preceded by the heavier Type VIIC submarines. U-1104 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), an overall 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 SSW GU 343/38-8 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-1104 was fitted with five 53.30NaN0 torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes or 26 TMA or TMB Naval mines, one 8.82NaN2 SK C/35 naval gun, (220 rounds), one 3.7cm (01.5inches) Flak M42 and two 2sp=usNaNsp=us 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 56.1667°N -15°W.