List of all U-boats
U-640
Type | VIIC | |||||||||
| Ordered | 20 Jan 1941 | |||||||||
| Laid down | 30 Oct 1941 | Blohm & Voss, Hamburg (werk 616) | ||||||||
| Launched | 23 Jul 1942 | |||||||||
| Commissioned | 17 Sep 1942 | Oblt. Karl-Heinz Nagel | ||||||||
| Commanders |
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| Career 1 patrol |
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| Successes | No ships sunk or damaged | |||||||||
| Fate |
Sunk on 14 May 1943 in the North Atlantic east of Cape Farewell, Greenland in position 60.32N, 31.05W, by depth charges from a US Catalina aircraft (VP-84 USN/K). 49 dead (all hands lost). (FDS/NHB, June 1992). | |||||||||
| Loss position | ||||||||||
Previously recorded fate
- Sunk 17 May, 1943 in the North Atlantic near Cape Farewell, Greenland, in position 58.54N, 42.33W, by depth charges from the British frigate
HMS Swale. (Postwar assessment)
Notes. This attack resulted in the sinking of U-657.
Wolfpack operations
U-640 operated with the following Wolfpacks during its career:
Iller (12 May 1943 - 14 May 1943)
Attacks on this boat and other events
13 May 1943
Following an unsuccessful attack on convoy ON(S) 7, U-640 was bombed by an aircraft from Iceland, forcing the boat to dive and lose contact with the convoy. U-640 was sunk by aircraft the next day. (Sources: Blair, vol 2, page 331)
1 recorded attack on this boat.
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-640 did not suffer any casualties (we know of) until the time of her loss.
U-boat Emblems
We have 1 emblem entry for this boat. See the emblem page for this boat or view emblems individually below.
 Horseshoe and nail |
Media links
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