German submarine U-471 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II.She was laid down on 25 October 1941 by Deutsche Werke, Kiel as yard number 302, launched on 6 March 1943 and commissioned on 5 May 1943 under Oberleutnant zur See Friedrich Kloevekorn.
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-471 had a displacement of 769t when at the surface and 871t while submerged. She had a total length of 67.1m (220.1feet), a pressure hull length of 50.5m (165.7feet), a beam of 6.2m (20.3feet), a height of 9.6m (31.5feet), and a draught of 4.74m (15.55feet). The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of NaNPS for use while surfaced, two Siemens-Schuckert GU 343/38–8 double-acting electric motors producing a total of 750PS for use while submerged. She had two shafts and two 1.23abbr=onNaNabbr=on 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-471 was fitted with five 53.30NaN0 torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one 8.82NaN2 SK C/35 naval gun, 220 rounds, and one twin 2sp=usNaNsp=us C/30 anti-aircraft gun. The boat had a complement of between forty-four and sixty.
The boat's career began with training at 5th U-boat Flotilla on 5 May 1943, followed by active service on 1 November 1943 as part of the 1st Flotilla. On 1 May 1944, she transferred to 29th Flotilla for Mediterranean operations for the remainder of her service.In 3 patrols she sank no ships.In 1945, she was raised and returned to service with the French Navy as Millé from 1946. She was stricken on 9 July 1963 as Q339.
U-471 took part in six wolfpacks, namely:
U-471 was sunk on 6 August 1944 in the Military port of Toulon dry-dock in position 43.1167°N 60°W, in an air raid by US Liberator bombers.