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German submarine U-751

Career (Nazi Germany)
Name: U-751
Ordered: 9 October 1939[1]
Builder: Kriegsmarinewerft Wilhelmshaven
Laid down: 2 January 1940[1]
Launched: 16 November 1940[1]
Commissioned: 31 January 1941[1]
Status: Destroyed[1]
General characteristics
Type: Type VIIC submarine
Displacement: 769 tonnes (757 long tons) surfaced
871 t (857 long tons) submerged
Length: 67.1 m (220 ft 2 in) o/a
50.5 m (165 ft 8 in) pressure hull
Beam: 6.2 m (20 ft 4 in) o/a
4.7 m (15 ft 5 in) pressure hull
Draft: 4.74 m (15 ft 7 in)
Propulsion: 2 × supercharged Germaniawerft 6-cylinder 4-stroke M6V 40/46 diesel engines, totalling 2,800–3,200 bhp (2,100–2,400 kW). Max rpm: 470-490
2 × electric motors, totalling 750 shp (560 kW) and max rpm: 296
Speed: 17.7 knots (20.4 mph; 32.8 km/h) surfaced
7.6 knots (8.7 mph; 14.1 km/h) submerged
Range: 15,170 km (8,190 nmi) at 10 kn (19 km/h) surfaced
150 km (81 nmi) at 4 kn (7.4 km/h) submerged
Test depth: 230 m (750 ft)
Crush depth: 250–295 m (820–968 ft)
Complement: 44–52 officers & ratings
Armament: • 5 × 533 mm (21 in) torpedo tubes (4 bow, 1 stern)
• 14 × torpedoes or 26 TMA mines
• 1 × C35 88mm gun/L45 deck gun (220 rounds)
• Various AA guns

German submarine U-751 was a Type VIIC U-boat built for the German Kriegsmarine for service during World War II. Built as werk 134 of the Kriegsmarinewerft shipyard in Wilhelmshaven, she was commissioned on 31 January 1941, she served with 7th U-Boat Flotilla until 1 June as a training boat, and as a front boat until 17 July 1942 under the command of Korvettenkapitän Gerhard Bigalk. U-751 served in seven patrols with the 7th U-boat Flotilla.

Service record

On June 14, 1941, eleven days into her thirty-three day first patrol while en route from Kiel to St. Nazaire, U-751 attacked and sank the British ship St Lindsay (5,370 GRT).

Arriving at St. Nazaire on July 5, U-751 stayed in port for thirty-four days before going on her second patrol. She attacked no ships on her second and third voyages.

Five days into her fourth patrol, on December 21, 1941, U-751 attacked and sank the HMS Audacity, an Escort carrier attached with British convoy HG 76.[2]

On January 14, 1942, U-751 left St. Nazaire on her fifth patrol, destined to return on February 23. Nineteen days into this patrol, on February 2, U-751 attacked and damaged the Dutch ship Corilla, part of convoy HX 173 (8,096 GRT). Two days later, she sank the British ship Silveray, adding another 4,535 GRT to her score. Another British ship, Empire Sun, was sunk another three days later, for 6,952 GRT. The American ships Nicarao and Isabela were sunk in her sixth patrol, on the 16th and 19 May 1942, totalling 1,455 and 3,110 GRTs respectively.


After serving six operational patrols, U-751 was attacked on her seventh patrol four days into her voyage on July 17. She was sunk off the coast of Cape Ortegal, Spain by depth charges from a Lancaster bomber.



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