 The submarine was laid down on 7 March 1941 at the Danziger Werft (yard) at Danzig (now Gdansk) as yard number 113, launched on 15 December and commissioned on 29 April under the command of "Kapitänleutnant" Walther Jahrmäker.She served with the 8th U-boat Flotilla from 29 April 1942 (training) and the 9th flotilla from 1 October.