German World War II submarine
German submarine "U-989" was a Type VIIC U-boat built for Nazi Germany's "Kriegsmarine" for service during World War II.
She was laid down on 17 October 1942 by Blohm &amp; Voss, Hamburg as yard number 189, launched on 16 June 1943 and commissioned on 22 July 1943 under "Oberleutnant zur See" Hardo Rodler von Roithberg.
Design.
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. "U-989" displaced 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 &amp; 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-989" 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 one twin C/30 anti-aircraft gun. 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 22 July 1943, followed by active service on 1 February 1944 as part of the 9th Flotilla. On 1 October 1944 she transferred to 33rd Flotilla for the remainder of her service.
In five patrols she sank one merchant ship, for a total of  gross register tons (GRT) and damaged one other.
Wolfpacks.
"U-989" took part in three wolfpacks, namely:
Fate.
"U-989" was sunk on 14 February 1945 in the North Atlantic in position , by depth charges from , , and . All hands were lost.
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