German submarine U-334

History
Nazi Germany
Name:	U-334
Ordered:	23 September 1939
Builder:	Nordseewerke, Emden
Yard number:	206
Laid down:	16 March 1940
Launched:	15 August 1941
Commissioned:	9 October 1941
Fate:	Sunk, 14 June 1943 by British warships
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) 1 x 2 cm (0.79 in) C/30 AA gun
Service record
Part of:	8th U-boat Flotilla 9 October 1941 – 28 February 1942 3rd U-boat Flotilla 1 March – 30 June 1942 11th U-boat Flotilla 1 July 1942 – 14 July 1943
Commanders:	Kptlt. Hilmar Siemon 9 October 1941 – 31 March 1943 Oblt.z.S. Heinz Ehrich 1 April – 14 June 1943
Operations:	1st patrol: 18 March – 14 April 1942 18 March – 14 April 1942 2nd patrol: a. 7–10 June 1942 b. 15 June – 6 July 1942 3rd patrol: 31 October – 1 December 1942 4th patrol: 5–14 June 1943
Victories:	Sank two ships for a total of 14,372 GRT

German submarine U-334 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 16 March 1941 at the Nordseewerke yard at Emden as yard number 206, launched on 15 August and commissioned on 9 October under the command of Kapitänleutnant Hilmar Siemon. During her career, the U-boat sailed on four combat patrols, sinking two ships of 14,372 gross register tons (GRT), before she was sunk on 14 June 1943.

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-334 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 AEG GU 460/8–27 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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