German submarine U-976 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.

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U-570 Type VIIC submarine that was captured by the British in 1941. This U-boat is almost identical to U-976.
History
Nazi Germany
Name	U-976
Ordered	5 June 1941
Builder	Blohm & Voss, Hamburg
Yard number	176
Laid down	9 July 1942
Launched	25 March 1943
Commissioned	5 May 1943
Fate	Sunk on 25 March 1944
General characteristics
Class and type	Type VIIC submarine
Displacement	769 tonnes (757 long tons) surfaced 871 t (857 long tons) submerged
Length	67.10 m (220 ft 2 in) o/a 50.50 m (165 ft 8 in) pressure hull
Beam	6.20 m (20 ft 4 in) o/a 4.70 m (15 ft 5 in) pressure hull
Height	9.60 m (31 ft 6 in)
Draught	4.74 m (15 ft 7 in)
Installed power	2,800–3,200 PS (2,100–2,400 kW; 2,800–3,200 bhp) (diesels) 750 PS (550 kW; 740 shp) (electric)
Propulsion	2 shafts 2 × diesel engines 2 × electric motors
Speed	17.7 knots (32.8 km/h; 20.4 mph) surfaced 7.6 knots (14.1 km/h; 8.7 mph) submerged
Range	8,500 nmi (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph) surfaced 80 nmi (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth	220 m (720 ft) Crush depth: 250–295 m (820–968 ft)
Complement	4 officers, 44–52 enlisted
Armament	5 × 53.3 cm (21 in) torpedo tubes (four bow, one stern) 14 × torpedoes or 26 TMA mines 1 × 8.8 cm (3.46 in) deck gun (220 rounds) 1 × twin 2 cm (0.79 in) C/30 anti-aircraft gun
Service record
Part of:	5th U-boat Flotilla 5 May – 31 October 1943 7th U-boat Flotilla 1 November 1943 – 25 March 1944
Identification codes:	M 51 982
Commanders:	Oblt.z.S. Raimund Tiesler[1] 5 May 1943 – 25 March 1944
Operations:	2 patrols: 1st patrol: 25 November 1943 – 29 January 1944 2nd patrol: 20 – 25 March 1944
Victories:	None

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She was ordered on 5 June 1941, and was laid down on 9 July 1942 at Blohm & Voss, Hamburg, as yard number 176. She was launched on 25 March 1943 and commissioned under the command of Oberleutnant zur See Raimund Tiesler on 5 May 1943.^[2]

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-976 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged.^[3] She had a total length of 67.10 m (220 ft 2 in), a pressure hull length of 50.50 m (165 ft 8 in), a beam of 6.20 m (20 ft 4 in), a height of 9.60 m (31 ft 6 in), and a draught of 4.74 m (15 ft 7 in). The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of 2,800 to 3,200 metric horsepower (2,060 to 2,350 kW; 2,760 to 3,160 shp) for use while surfaced, two Garbe, Lahmeyer & Co. RP 137/c double-acting electric motors producing a total of 750 metric horsepower (550 kW; 740 shp) for use while submerged. She had two shafts and two 1.23 m (4 ft) propellers. The boat was capable of operating at depths as low as 230 metres (750 ft).^[3]

The submarine had a maximum surface speed of 17.7 knots (32.8 km/h; 20.4 mph) and a maximum submerged speed of 7.6 knots (14.1 km/h; 8.7 mph).^[3] When submerged, the boat could operate for 80 nautical miles (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 8,500 nautical miles (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph). U-976 was fitted with five 53.3 cm (21 in) torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes or 26 TMA mines, one 8.8 cm (3.46 in) SK C/35 naval gun, 220 rounds, and one twin 2 cm (0.79 in) C/30 anti-aircraft gun. The boat had a complement of between 44 — 52 men.^[3]

On 25 March 1944, U-976 was sunk by aerial gunfire southwest of St. Nazaire, France, in the Bay of Biscay. U-976 was attacked by four British Mosquito FB VIs and two Mosquito FB.XVIIIs (nicknamed Tsetse), armed with 6-pounder 57 mm (2.2 in) cannon, of 248 Squadron RAF.^[4] Forty-nine of the crew of fifty-three survived.^[2]

The wreck is located at 46.50°N 02.41°W / 46.50; -02.41.^[2]