 The U-boat was laid down at the Deutsche Werft in Hamburg as yard number 314 on 12 June 1941, and commissioned on 25 April 1942 with "Fregattenkapitän" Hans-Günther Brachmann in command.He was replaced on 19 August 1942 by "Kapitänleutnant" Friedrich-Wilhelm Wissmann.She sank nine ships and damaged three more in ten active patrols.