German submarine U-1004
German submarine U-1004 was a Type VIIC/41 U-boat built for Nazi Germany's Kriegsmarine for service during World War II.
She was laid down on 15 January 1943 by Blohm & Voss, Hamburg as yard number 204, launched on 27 October 1943 and commissioned on 16 December 1943 under Oberleutnant zur See Hartmuth Schimmelpfennig.
Design
Like all Type VIIC/41 U-boats, U-1004 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, and a draught of. The submarine was powered by two Germaniawerft F46 supercharged six-cylinder four-stroke diesel engines producing a total of and two BBC GG UB 720/8 double-acting electric motors producing a total of for use while submerged. The boat was capable of operating at a depth of.The submarine had a maximum surface speed of and a submerged speed of. When submerged, the boat could operate for at ; when surfaced, she could travel at. U-1004 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. Its complement was between forty-four and sixty.