German submarine U-452
German submarine "U-452" was a Type VIIC U-boat of Nazi Germany's "Kriegsmarine" during World War II. She carried out one patrol. She sank no ships. She was sunk by a British aircraft and a British warship southeast of Iceland on 25 August 1941. Design. German Type VIIC submarines were preceded by the shorter Type VIIB submarines. "U-452" 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 Brown, Boveri & Cie GG UB 720/8 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-452" 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. The submarine was laid down on 25 May 1940 at the "Deutsche Werke" in Kiel as yard number 283, launched on 29 March 1941 and commissioned on 29 May under the command of "Kapitänleutnant" Jürgen March. She served with the 3rd U-boat Flotilla from 29 May 1941 for training and stayed with that organization for operations. Patrol and loss. "U-452"s only patrol began with her departure from Trondheim in Norway on 19  August 1941. On 25th, she was sunk southeast of Iceland after an attack by a Catalina flying boat of No. 209 Squadron RAF and , an anti-submarine trawler. Forty-two men went down with "U-452"; there were no survivors.