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.

Service History
The boat's service career began on 16 December 1943 with the 31st Training Flotilla, followed by active service with 7th Flotilla on 1 August 1944, then 11th Flotilla on 1 November 1944.

Wolfpacks
U-1004 took part in no wolfpacks

Fate
U-1004 was sunk by naval gunfire on 1 December 1945 in the North Atlantic, in position 56.16667°N, -10.08333°W, as part of Operation Deadlight.