German World War II submarine
German submarine "U-667" was a Type VIIC U-boat built for Nazi Germany's "Kriegsmarine" for service during World War II.
She was laid down on 16 August 1941 by Deutsche Werft, Hamburg as yard number 816, launched on 29 August 1942 and commissioned on 21 October 1942 under "Oberleutnant zur See" Heinrich Schroeteler.
Design.
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. "U-667" 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-667" 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 career began with training at 5th U-boat Flotilla on 21 October 1942, followed by active service on 1 June 1943 as part of the 7th Flotilla for the remainder of her service.
In five patrols she sank one merchant ship, for a total of  gross register tons (GRT) and 2 warships. She also cause one warship total loss.
Wolfpacks.
"U-667" took part in five wolfpacks, namely:
Fate.
"U-667" sunk on 26 August 1944 in the Bay of Biscay in position , when she struck a mine. All hands were lost.
References.
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