German submarine U-772

German submarine U-772 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.

The U-boat was laid down on 21 September 1942 at the Kriegsmarinewerft Wilhelmshaven (KMW), launched on 31 October 1943, and commissioned on 23 December 1943, commanded by Oberleutnant zur See Ewald Rademacher.

Design
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-772 had a displacement of 769 t when at the surface and 871 t while submerged. She had a total length of 67.10 m, a pressure hull length of 50.50 m, a beam of 6.20 m, a height of 9.60 m, and a draught of 4.74 m. The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of 2800 to 3200 PS for use while surfaced, two Garbe, Lahmeyer & Co. RP 137/c double-acting electric motors producing a total of 750 PS for use while submerged. She had two shafts and two 1.23 m propellers. The boat was capable of operating at depths of up to 230 m.

The submarine had a maximum surface speed of 17.7 kn and a maximum submerged speed of 7.6 kn. When submerged, the boat could operate for 80 nmi at 4 kn; when surfaced, she could travel 8500 nmi at 10 kn. U-772 was fitted with five 53.3 cm torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one 8.8 cm SK C/35 naval gun, (220 rounds), one 3.7 cm Flak M42 and two twin 2 cm C/30 anti-aircraft guns. The boat had a complement of between forty-four and sixty.

War patrols
After the usual six-month shakedown and training period in the Baltic, U-772 sailed from Trondheim on 13 August 1944 for her first war patrol, which lasted for 55 days out in the North Atlantic, however she had no success.

She sailed from Trondheim on 19 November 1944 on her second patrol, circling the British Isles. On 17 December 1944 U-772 was sunk by depth charges from the British Colony class frigate HMS Nyasaland (K587) in the North Atlantic, south of Cork, in position 51.26667°N, -8.08333°W with the loss of all 48 hands.