|Ordered||20 Jan 1941|
|Laid down||16 Oct 1941||Blohm & Voss, Hamburg (werk 614)|
|Launched||8 Jul 1942|
|Commissioned||3 Sep 1942||Kptlt. Oskar Staudinger|
|Successes||1 ship sunk, total tonnage 5,507 GRT|
1 ship damaged, total tonnage 6,537 GRT
Sunk on 5 May 1943 in the North Atlantic north-east of Newfoundland, in position 54.12N, 44.05W, by depth charges from the British corvette HMS Sunflower. 44 dead (all hands lost). (FDS/NHB, October 1991).
Previously recorded fate
- Sunk 5 May, 1943 in the North Atlantic northeast of Newfoundland, in position 53.06N, 45.02W, by depth charges from the British corvette HMS Loosestrife. (Postwar assessment)
Notes. This attack resulted in the loss of U-192.
U-638 operated with the following Wolfpacks during its career:
Burggraf (26 Feb 1943 - 28 Feb 1943)
Wildfang (28 Feb 1943 - 5 Mar 1943)
Raubgraf (7 Mar 1943 - 15 Mar 1943)
Amsel 1 (3 May 1943 - 5 May 1943)
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-638 did not suffer any casualties (we know of) until the time of her loss.
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