German submarine U-1103


German submarine U-1103 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 26 May 1943, at Nordseewerke, Emden, as yard number 225. She was launched on 22 October 1943, and commissioned under the command of Kapitänleutnant Hans Bungards on 8 January 1944.

Design

were preceded by the heavier Type VIIC submarines. U-1103 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-1103 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.

Service history

On 5 May 1945, U-1103 surrendered at Cuxhaven, Germany and was later transferred from Wilhelmshaven to Loch Ryan, Scotland. Of the 156 U-boats that eventually surrendered to the Allied forces at the end of the war, U-1103 was one of 116 selected to take part in Operation Deadlight. U-1103 was towed out and sank on 30 December 1945, by naval gunfire.
The wreck now lies at.