German submarine U-89 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. She was laid down at the Flender Werke in Lübeck as yard number 293, launched on 20 September 1941 and commissioned on 19 November with Kapitänleutnant Dietrich Lohmann in command. She was a fairly successful boat, sinking over 13,815 GRT of Allied shipping in a career lasting just one year and five patrols. She was a member of ten wolfpacks. After training with the 8th U-boat Flotilla, U-89 was assigned to the 9th flotilla on 1 May 1942 for operations. Design German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-89 had a displacement of when at the surface and while submerged. She had a total length of , a pressure hull length of , a beam of , a height of , and a draught of . The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of for use while surfaced, two AEG GU 460/8–27 double-acting electric motors producing a total of for use while submerged. She had two shafts and two propellers. The boat was capable of operating at depths of up to . The submarine had a maximum surface speed of and a maximum submerged speed of . When submerged, the boat could operate for at ; when surfaced, she could travel at . U-89 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 a C/30 anti-aircraft gun. The boat had a complement of between forty-four and sixty. Service history First patrol U-89 departed Kiel for her first patrol on 14 May 1942. She docked in Brest, on the French Atlantic coast, on the 27th. Second patrol The boat's second foray started from Brest on 6 June 1942 and finishing there on 21 August. Using her deck gun she sank a Canadian fishing boat, the Lucille M., with 20 incendiary and 15 high explosive rounds off Cape Sable on 25 July Third patrol U-89 sank the British ship, the Jeypore on 3 November 1942 and the Daleby also British, both east of Cape Farewell (Greenland), the following day. On the fifth, she was attacked by a B-24 Liberator of No. 120 Squadron RAF. Originally thought to have sunk , U-89 was severely damaged. Fourth