German submarine U-434
| History | |
|---|---|
| Nazi Germany | |
| Name | U-434 | 
| Ordered | 23 September 1939 | 
| Builder | Schichau-Werke, Danzig | 
| Yard number | 1475 | 
| Laid down | 20 January 1940 | 
| Launched | 15 March 1941 | 
| Commissioned | 21 June 1941 | 
| Fate | Sunk on 18 December 1941 | 
| General characteristics | |
| Class & type | Type VIIC submarine | 
| Displacement | |
| Length | 
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| Beam | 
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| Height | 9.60 m (31 ft 6 in) | 
| 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 | |
| Part of: | 
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| Identification codes: | M 43 633 | 
| Commanders: | 
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| Operations: | 
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| Victories: | None | 
German submarine U-434 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.
The U-boat was laid down on 20 January 1940 at the Schichau-Werke yard, Danzig, launched on 15 March 1941, and commissioned on 21 June 1941, Kapitänleutnant Wolfgang Heyda commanding.
U-434 sailed from Kristiansand, Norway on 2 November 1941, on her only war patrol. On 18 December, U-434 was sunk in the North Atlantic north of Madeira, Portugal, in position 36°15′N 15°48′W / 36.250°N 15.800°W. The U-boat was forced to the surface by depth charges from the British escort destroyer HMS Blankney and the destroyer HMS Stanley. There were two dead and 42 survivors.