U-631

Type

VIIC

 
Ordered15 Aug 1940
Laid down 5 Sep 1941 Blohm & Voss, Hamburg (werk 607)
Launched27 May 1942
Commissioned16 Jul 1942Oblt. Jürgen Krüger
Commanders
16 Jul 1942 - 17 Oct 1943  Oblt. Jürgen Krüger
Career3 patrols 16 Jul 1942 - 31 Dec 1942  5. Flottille (training)
1 Jan 1943 - 17 Oct 1943  9. Flottille (front boat)
Successes2 ships sunk for a total of 9,136 GRT
Fate

Sunk 17 Oct, 1943 in the North Atlantic south-east of Cape Farewell, Greenland, in position 58.13N, 32.29W, by depth charges from the British corvette HMS Sunflower. 54 dead (all hands lost).

See the 2 ships hit by U-631 - View the 3 war patrols

Wolfpack operations

U-631 operated with the following Wolfpacks during its career:
   Falke (31 Dec 1942 - 22 Jan 1943)
   Landknecht (22 Jan 1943 - 28 Jan 1943)
   Sturmer (14 Mar 1943 - 20 Mar 1943)
   Seewolf (25 Mar 1943 - 30 Mar 1943)
   Meise (20 Apr 1943 - 27 Apr 1943)

Attacks on this boat

20 Mar 1943
The attack by Sunderland aircraft (RAF Sqdn 201/T) on 20 March, 1943 in position 54.18N, 26.15W believed to have sunk the U-384 was in fact against U-631 but causing no damage to that boat. (Sources: 1975-06-01, FDS/NHB)

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-631 did not suffer any casualties (we know of) until the time of her loss.



U-Boat Operations of the Second World War - Vol 2

Wynn, Kenneth


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Books dealing with this subject include:

German U-Boat Losses During World War II. Niestle, Axel, 1998.
Hitler's U-boat War. Blair, Clay, 1996.
Hitler's U-boat War, Vol II. Blair, Clay, 1998.
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.