 "U-269" was fitted with five torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one SK C/35 naval gun, 220 rounds, and two twin C/30 anti-aircraft guns.The boat had a complement of between forty-four and sixty.After training with the 8th U-boat Flotilla in the Baltic Sea, "U-269" was assigned to the 11th U-boat Flotilla based in Bergen, Norway.