German submarine U-433

History
Nazi Germany
Name:	U-433
Ordered:	23 September 1939
Builder:	Schichau-Werke, Danzig
Yard number:	1474
Laid down:	4 January 1940
Launched:	15 March 1941
Commissioned:	24 May 1941
Fate:	Sunk 16 November 1941 in the Mediterranean in position 36°13′N 04°42′W / 36.217°N 4.700°W / 36.217; -4.700Coordinates: 36°13′N 04°42′W / 36.217°N 4.700°W / 36.217; -4.700, by depth charges from HMS Marigold.
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
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:	3rd U-boat Flotilla 24 May – 1 August 1941 - Training 3rd U-boat Flotilla 1 August – 16 November 1941
Commanders:	Oblt.z.S. Hans Ey 24 May – 16 November 1941
Operations:	1st patrol: 25 August – 25 September 1941 2nd patrol: 8–16 November 1941
Victories:	One merchant ship damaged (2,215 GRT)

German submarine U-433 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 4 January 1940 by Schichau-Werke, Danzig as yard number 1474, launched on 15 March 1941 and commissioned on 24 May 1941 under Oberleutnant zur See Hans Ey.

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-433 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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