The U-boat, now under the command of Oberleutnant zur See Siegfried Straub, left Brest on 29 February 1944 on her tenth and final patrol. On 10 March, west of Ireland, in position , she was sunk by depth charges from a Canadian Sunderland patrol bomber EK591 "2U" from No.
The U-boat, now commanded by Oberleutnant zur See Siegfried Straub, set sail from Brest on 29 February 1944 for its last and tenth mission. On 10 March, off the coast of Ireland, in position , it was torpedoed by depth charges from a Canadian Sunderland bomber EK591 "2U" from No.