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German submarine ''U-252'' was a Type VIIC U-boat of Nazi Germany's ''Kriegsmarine'' during World War II. The submarine was laid down on 1 November 1940 at the Vegesacker Werft at Bremen as yard number 17, launched on 14 August 1941 and commissioned on 4 October under the command of ''Kapitänleutnant'' Gunter Schiebusch. Schiebusch was replaced by ''Kapitänleutnant'' Kai Lerchen on 21 December 1941. After training with the ''6th U-boat Flotilla'' at Kiel, ''U-252'' was deemed to be ready for front-line service and sailed on her first patrol on 1 April 1942. On 6 April 1942, ''U-252'' landed espionage agent Ib Riis in Iceland. ''U-252'' is thought to have sunk the 1,355 Norwegian ''Fanefield'' on 9 April. Five days later she encountered convoy OG 82, and was attacked and sunk by depth charges from the sloop and the corvette on 14 April 1942.〔Neistle p50〕 ==Design== German Type VIIC submarines were preceded by the shorter Type VIIB submarines. ''U-252'' 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 460/8-276 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-252'' was fitted with five torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one , 220 rounds, and an anti-aircraft gun. The boat had a complement of between forty-four and sixty. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「German submarine U-252」の詳細全文を読む スポンサード リンク
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