U-644
Type | VIIC | |||
| Ordered | 20 Jan, 1941 | |||
| Laid down | 1 Dec, 1941 | Blohm & Voss, Hamburg (werk 620) | ||
| Launched | 20 Aug, 1942 | |||
| Commissioned | 15 Oct, 1942 | Oblt. Kurt Jensen | ||
| Commanders |
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| Career | 1 patrol | 15 Oct, 1942 - 31 Mar, 1943 5. Flottille (training) 1 Apr, 1943 - 7 Apr, 1943 11. Flottille (front boat) | ||
| Successes | No ships sunk or damaged | |||
| Fate | Left Bergen, Norway on 18 March, 1943. Sunk 7 April, 1943 in the North Sea north-west of Narvik, Norway, in position 69.38N, 05.40W, by torpedoes from the British submarine HMS Tuna. 45 dead (all hands lost). | |||
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-644 did not suffer any casualties (we know of) until the time of her loss.
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