German submarine U-310

History
Nazi Germany
Name:	U-310
Ordered:	5 June 1941
Builder:	Flender Werke, Lübeck
Yard number:	310
Laid down:	30 January 1942
Launched:	3 January 1943
Commissioned:	24 February 1943
Fate:	Surrendered May 1945, broken up March 1947
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:	230 m (750 ft) Crush depth: 250–295 m (820–968 ft)
Complement:	4 officers, 40–56 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) various AA guns
Service record
Part of:	8th U-boat Flotilla 24 February – 31 July 1943 7th U-boat Flotilla 1 August – 4 September 1943 13th U-boat Flotilla 5 September 1944 – 8 May 1945
Commanders:	Oblt.z.S. Klaus Friedland 24 February – 26 September 1943 Oblt.z.S. Wolfgang Ley 27 September 1943 – 8 May 1945
Operations:	1st patrol: 13–21 September 1944 2nd patrol: 25 September – 3 October 1944 3rd patrol: 14 October – 11 November 1944 4th patrol: 22 November – 14 December 1944 5th patrol: 25 December 1944 – 5 January 1945 6th patrol: 13 February – 30 March 1945
Victories:	Two ships sunk, for a total of 14,395 GRT.

German submarine U-310 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 30 January 1942 at the Flender Werke yard at Lübeck as yard number 310, launched on 3 January 1943 and commissioned on 24 February under the command of Leutnant zur See Klaus Friedland.

During her career, the U-boat sailed on six combat patrols, sinking two ships, before she surrendered in May 1945.

She was a member of seven wolfpacks.

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-310 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged. 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 of up to 230 metres (750 ft).

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