German submarine U-393

German submarine U-393 was a Type VIIC U-boat of the Nazi German Kriegsmarine during World War II.

She carried out no patrols. She did not sink or damage any ships.

She was scuttled on 5 May 1945 in Flensburger Förde.

Service history
The submarine was laid down on 8 April 1942 at the Howaldtswerke (yard) at Flensburg as 'werk' 25, launched on 15 May 1943 and commissioned on 3 July under the command of Oberleutnant Alfred Radermacher.

She served with the 5th U-boat Flotilla from 3 July 1943 and the 24th flotilla as a trials vessel from 1 November 1944. She then came under the 5th flotilla once more from 1 April 1945.

Fate
U-393 was bombed by US aircraft in Gelting Bay on 4 May 1945. Two men were killed; there were an unknown number of survivors. She was scuttled the following day in the Flensburger Förde near the Fyn Islands.