German submarineU-433
History | |
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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 on 16 November 1941 in theMediterraneanin position36°13′N04°42′W/ 36.217°N 4.700°W,by depth charges fromHMSMarigold. |
General characteristics | |
Class and type | Type VIICsubmarine |
Displacement | |
Length |
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Beam |
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Draught | 4.74 m (15 ft 7 in) |
Installed power |
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Propulsion |
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Speed |
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Range | |
Test depth |
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Complement | 4 officers, 40–56 enlisted |
Armament |
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Service record[1] | |
Part of: |
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Identification codes: | M 41 779 |
Commanders: |
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Operations: |
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Victories: |
1 merchant ship damaged (2,215GRT) |
German submarineU-433was aType VIICU-boatbuilt forNazi Germany'sKriegsmarinefor service duringWorld War II. She waslaid downon 4 January 1940 bySchichau-Werke,Danzigas yard number 1474,launchedon 15 March 1941 andcommissionedon 24 May 1941 underOberleutnant zur SeeHans Ey.
Design[edit]
German Type VIIC submarineswere preceded by the shorterType VIIB submarines.U-433had 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), apressure hulllength of 50.50 m (165 ft 8 in), abeamof 6.20 m (20 ft 4 in), a height of 9.60 m (31 ft 6 in), and adraughtof 4.74 m (15 ft 7 in). The submarine was powered by twoGermaniawerftF46 four-stroke, six-cylindersuperchargeddiesel enginesproducing 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, twoAEGGU 460/8–27double-acting electric motorsproducing 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-433was fitted with five 53.3 cm (21 in)torpedo tubes(four fitted at the bow and one at the stern), fourteentorpedoes,one8.8 cm (3.46 in) SK C/35 naval gun,220 rounds, and a2 cm (0.79 in) C/30anti-aircraft gun. The boat had acomplementof between forty-four and sixty.[2]
Service history[edit]
The boat's career began with training at3rd U-boat Flotillaon 24 May 1941, and continuing with active service on 1 August 1941 as part of the3rd Flotillafor the remainder of her service.
In two patrols she damaged one merchant ship, for a total of 2,215gross register tons(GRT).
Wolfpacks[edit]
U-433took part in twowolfpacks,namely:
- Markgraf (28 August – 16 September 1941)
- Arnauld (8 – 16 November 1941)
Fate[edit]
U-433was sunk on 16 November 1941 in theMediterraneanE ofGibraltar,in position36°13′N04°42′W/ 36.217°N 4.700°W,by depth charges and gunfire from Royal Navy corvetteHMSMarigold.There were 6 dead and 38 survivors.
Summary of raiding history[edit]
Date | Ship Name | Nationality | Tonnage (GRT) |
Fate[3] |
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11 September 1941 | Bestum | ![]() |
2,215 | Damaged |
See also[edit]
References[edit]
- ^Helgason, Guðmundur."The Type VIIC boat U-433".German U-boats of WWII - uboat.net.Retrieved11 September2014.
- ^abcdGröner 1991,pp. 43–46.
- ^Helgason, Guðmundur."Ships hit by U-433".German U-boats of WWII - uboat.net.Retrieved11 September2014.
Bibliography[edit]
- Busch, Rainer; Röll, Hans-Joachim (1999).German U-boat commanders of World War II: a biographical dictionary.Translated by Brooks, Geoffrey. London, Annapolis, Md: Greenhill Books, Naval Institute Press.ISBN1-55750-186-6.
- Busch, Rainer; Röll, Hans-Joachim (1999).Deutsche U-Boot-Verluste von September 1939 bis Mai 1945[German U-boat losses from September 1939 to May 1945]. Der U-Boot-Krieg (in German). Vol. IV. Hamburg, Berlin, Bonn: Mittler.ISBN3-8132-0514-2.
- Gröner, Erich; Jung, Dieter; Maass, Martin (1991).U-boats and Mine Warfare Vessels.German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press.ISBN0-85177-593-4.
- Sharpe, Peter (1998).U-Boat Fact File.Great Britain: Midland Publishing.ISBN1-85780-072-9.
External links[edit]
- Helgason, Guðmundur."The Type VIIC boat U-433".German U-boats of WWII - uboat.net.Retrieved26 December2014.
- Hofmann, Markus."U 433".Deutsche U-Boote 1935-1945 - u-boot-archiv.de(in German).Retrieved26 December2014.
- German Type VIIC submarines
- 1941 ships
- U-boats commissioned in 1941
- U-boats sunk in 1941
- U-boats sunk by depth charges
- U-boats sunk by British warships
- World War II shipwrecks in the Mediterranean Sea
- World War II submarines of Germany
- Ships built in Danzig
- Maritime incidents in November 1941
- Ships built by Schichau