German submarine U-544

German submarine U-544 was a Type IXC U-boat of the Nazi German Kriegsmarine during World War II.

She was laid down at the Deutsche Werft (yard) in Hamburg as 'werk' 365 on 8 July 1942, launched on 17 February 1943 and commissioned on 5 May with Korvettenkapitän Willy Mattke in command.

U-544 began her service career with training as part of the 4th U-boat Flotilla from 5 May 1943. She was re-assigned to the 10th flotilla for operations on 1 November.

She carried out one patrol and did not sink any ships. She was a member of five wolfpacks.

She was sunk in January 1944 northwest of the Azores by American aircraft.

Patrol and loss
The boat departed Kiel on 10 April 1943, moved through the North Sea, negotiated the 'gap' between Iceland and the Faroe Islands and entered the Atlantic Ocean.

She was sunk on 16 January 1944 northwest of the Azores by American aircraft from the escort carrier USS Guadalcanal using rockets and depth charges.

Fifty-seven men died; there were no survivors.