German submarine U-433

From Wikipedia, the free encyclopedia
Jump to: navigation, search
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 & type: Type VIIC submarine
Displacement:
  • 769 tonnes (757 long tons) surfaced
  • 871 t (857 long tons) submerged
Length:
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:
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:

German submarine U-433was a Type VIICU-boatbuilt for Nazi Germany's Kriegsmarinefor service during World War II. She was laid down on 4 January 1940 by Schichau-Werke, Danzigas yard number 1474, launched on 15 March 1941 and commissioned on 24 May 1941 under Oberleutnant zur SeeHans Ey.

Contents

Service record[1]
Part of:
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)

Design[edit]

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.[2] 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).[2]

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).[2] 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-433 was fitted with five 53.3 cm (21 in) torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one 8.8 cm (3.46 in) SK C/35 naval gun, 220 rounds, and an anti-aircraft gun. The boat had a complement of between forty-four and sixty.[2]

Service history[edit]

The boat's career began with training at 3rd U-boat Flotilla on 24 May 1941, and continuing with active service on 1 August 1941 as part of the 3rd Flotilla for the remainder of her service.

In two patrols she damaged one merchant ship, for a total of 2,215 gross register tons (GRT).

Wolfpacks[edit]

U-433 took part in two wolfpacks, namely

  • Markgraf (28 August – 16 September 1941)
  • Arnauld (8–16 November 1941)

Fate[edit]

U-433 was sunk on 16 November 1941 in the Mediterranean E of Gibraltar, in position 36°13′N 04°42′W / 36.217°N 4.700°W / 36.217; -4.700, by depth charges and gunfire from Royal Navy corvette HMS Marigold. There were 6 dead and 38 survivors.

Summary of raiding history[edit]

Date Name Nationality Tonnage
(GRT)
Fate[3]
11 September 1941 Bestum  Norway 2,215 Damaged

See also[edit]

References[edit]

  1. ^ Helgason, Guðmundur. "The Type VIIC boat U-433". German U-boats of WWII - uboat.net. Retrieved 11 September 2014. 
  2. ^ a b c d Gröner 1991, pp. 43-46.
  3. ^ Helgason, Guðmundur. "Ships hit by U-433". German U-boats of WWII - uboat.net. Retrieved 11 September 2014. 

Bibliography[edit]

  • Busch, Rainer; Röll, Hans-Joachim (1999). Deutsche U-Boot-Verluste von September 1939 bis Mai 1945. Der U-Boot-Krieg (in German) IV (Hamburg, Berlin, Bonn: Mittler). ISBN 3-8132-0514-2. 
  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945 2. Translated by Thomas, Keith; Magowan, Rachel (London: Conway Maritime Press). ISBN 0-85177-593-4. 
  • Sharpe, Peter (1998). U-Boat Fact File. Great Britain: Midland Publishing. ISBN 1-85780-072-9. 

External links[edit]

  • Helgason, Guðmundur. "The Type VIIC boat U-433". German U-boats of WWII - uboat.net. Retrieved 26 December 2014. 
  • Hofmann, Markus. "U 433". Deutsche U-Boote 1935-1945 - u-boot-archiv.de (in German). Retrieved 26 December 2014.