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U-644

Type

VIIC

 
Ordered20 Jan, 1941
Laid down 1 Dec, 1941 Blohm & Voss, Hamburg (werk 620)
Launched20 Aug, 1942
Commissioned15 Oct, 1942Oblt. Kurt Jensen
Commanders
15 Oct, 1942 - 7 Apr, 1943  Oblt. Kurt Jensen
Career1 patrol 15 Oct, 1942 - 31 Mar, 1943  5. Flottille (training)
1 Apr, 1943 - 7 Apr, 1943  11. Flottille (front boat)
SuccessesNo 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).

View the 1 war patrol

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.



Submarines versus U-boats

Jones, Geoffrey

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Books dealing with this subject include:

German U-Boat Losses During World War II, Niestle, Axel, 1998
Submarines versus U-boats, Jones, Geoffrey, 1986
U-Boat Operations of the Second World War - Vol 1, Wynn, Kenneth, 1998
U-Boat Operations of the Second World War - Vol 2, Wynn, Kenneth, 1998