German submarine U-339
German submarine "U-339" was a Type VIIC U-boat of Nazi Germany's "Kriegsmarine" during World War II. The submarine was laid down on 7 July 1941 at the "Nordseewerke" yard at Emden as yard number 211, launched on 30 June 1942 and commissioned on 25 August under the command of "Kapitänleutnant" Georg-Wilhelm Basse. The U-boat spent most of her career as a training vessel. She sank or damaged no ships. She was scuttled on 5 May 1945 at war's end near Wilhelmshaven. Design. German Type VIIC submarines were preceded by the shorter Type  VIIB submarines. "U-339" 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-339" 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. Service history. The boat's service life began with training with the 8th U-boat Flotilla from 25 August 1942. She was then transferred to the 11th flotilla on 1 March 1943. She was reassigned to  the 22nd flotilla on 1 April. Fate. The boat was seriously damaged by depth charges dropped from a British PBY Catalina of No. 190 Squadron RAF on 26 March 1943. As a result, she spent the rest of the war as a training vessel. She was scuttled near Wilhelmshaven on 5 May 1945.