German World War II submarine
German submarine "U-679" was a Type VIIC U-boat built for Nazi Germany's "Kriegsmarine" for service during World War II.
She was laid down on 3 September 1942 by Howaldtswerke-Deutsche Werft, Hamburg as yard number 828, launched on 18 September 1943 and commissioned on 29 November 1943 under "Leutnant zur See" Friedrich Breckwoldt.
Design.
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. "U-679" 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 Siemens-Schuckert GU 343/38-8 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-679" 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), one Flak M42 and two twin C/30 anti-aircraft guns. The boat had a complement of between forty-four and sixty.
Service history.
The boat's career began with training at 31st Flotilla on 29 November 1943, followed by active service on 1 August 1944 as part of the 8th Flotilla. "U-679" took part in no wolfpacks. "U-679" was presumed sunk on 9 January 1945 in the Baltic Sea at by depth charges from Soviet anti-submarine vessel "MO-124". However, the wreckage was located in August 2015 and initial reports suggest that actually U-679 had run into a mine and sank after that. Wreckage lies at depth of 90 metres at a location, which is somewhat different from the information given earlier. ;ref name="[URL] ;yle.fi: Finnish diver finds sub from WWII | Yle Uutiset | yle.fi, accessdate: 17. September 2015 ;/ref ;
References.
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