German submarine U-522
German submarine "U-522" was a Type IXC U-boat of Nazi Germany's "Kriegsmarine" during World War II. She was laid down at the Deutsche Werft (yard) in Hamburg as yard number 337 on 9 July 1941, launched on 1 April 1942 and commissioned on 11 June with "Kapitänleutnant" Herbert Schneider in command. "U-522" began her service career with training as part of the 4th U-boat Flotilla from 11 June 1942. She was reassigned to the 2nd flotilla for operations on 1 October 1942. She carried out two patrols and sank seven ships. She damaged two  more. She was sunk on 23 February 1943 in mid-Atlantic west of Madeira by a British warship. Design. German Type IXC submarines were slightly larger than the original Type IXBs. "U-522" had a displacement of when at the surface and while submerged. The U-boat 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 MAN M 9 V 40/46 supercharged four-stroke, nine-cylinder diesel engines producing a total of for use while surfaced, two Siemens-Schuckert 2 GU 345/34 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-522" was fitted with six torpedo tubes (four fitted at the bow and two at the stern), 22 torpedoes, one SK C/32 naval gun, 180 rounds, and a SK C/30 as well as a C/30 anti-aircraft gun. The boat had a complement of  forty-eight. Service history. First patrol. The boat departed Kiel on 8 October 1942, moved through the North Sea, negotiated the gap between Iceland and the Faroe Islands and entered the Atlantic Ocean. She opened her account when she damaged the "Hartington" about east of Belle Isle (off the main island of Newfoundland) on 2 November 1942. The abandoned "Hartington" was sunk later that same day by . "U-522" sank the "Martima" northeast of St. Johns on the same day as the attack on the "Hartington" and went on to sink the "Parthenonn". She entered Lorient, on the French Atlantic coast , on 2 December 1942. Second patrol and loss. "U-522"s second foray took her to the mid-Atlantic once again. She sank the "Norvik" west of Teneriffe on 9 January 1943. Two days later, she damaged the "British Dominion" "northeast of the Canary Islands". She was sunk west of Madeira on 23 February 1943 by depth charges dropped by the sloop (ex-US Coast Guard Cutter) . Fifty-one men died; there were no survivors. Wolfpacks. "U-522" took part in two wolfpacks, namely: