German World War II submarine
German submarine "U-841" was a Type IXC/40 U-boat built for Nazi Germany's "Kriegsmarine" during World War II.
"U-841" was ordered on 20 January 1941 from DeSchiMAG AG Weser in Bremen under the yard number 1047. Her keel was laid down on 21 March 1942 and after seven months of construction the U-boat was launched on 21 October 1942. On 6 February 1943 she was commissioned into service under the command of "Oberleutnant zur See" Werner Bender (Crew 36) in the 4th U-boat Flotilla.
Design.
German Type IXC/40 submarines were slightly larger than the original Type IXCs. "U-841" had a displacement of when at the surface and while submerged. The U-boat 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 MAN M 9 V 40/46 supercharged four-stroke, nine-cylinder diesel engines producing a total of for use while surfaced, two Siemens-Schuckert 2 GU 345/34 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-841" was fitted with six torpedo tubes (four fitted at the bow and two at the stern), 22 torpedoes, one SK C/32 naval gun, 180 rounds, and a SK C/30 as well as a C/30 anti-aircraft gun. The boat had a complement of forty-eight.
Service history.
Transferred to 2nd U-boat Flotilla, "U-841" left Kiel for Bergen on 26 August 1943 arriving there six days later. On 9 September 1943 she left Bergen for operations in the North Atlantic. Stopping over in Trondheim, she joined wolfpack "Schlieffen" operating against convoy ONS 20 in October 1943. In the afternoon of 17 October 1943, "U-841" was spotted and attacked by an aircraft from 120 Squadron, RAF. One of ONS 20's escorts, , picked up "U-841" on its ASDIC later that day and depth-charged it. Heavily damaged, the U-boat surfaced and was scuttled by its crew. While the crew abandoned ship, "Byard" opened fire on the U-boat. 27 crew members, including the captain, died, while 27 survivors were picked up.
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