|Ordered||9 Oct 1939|
|Laid down||12 Mar 1941||Howaldtswerke Hamburg AG, Hamburg (werk 810)|
|Launched||11 Dec 1941|
|Commissioned||12 Feb 1942||Oblt. Erich von Lilienfeld|
|Successes||1 ship sunk, total tonnage 3,672 GRT|
Sank on 15 October 1942 in the North Atlantic south-east of Cape Farewell, Greenland, in position 53.42N, 35.56W, after being rammed by the British destroyer HMS Viscount. 44 dead (all hands lost). (FDS/NHB, June 1987).
Previously recorded fate
- The attack by a British Liberator aircraft (RAF 120/H) on 15 Oct, 1942 in position 53.58N, 33.43W. (Postwar assessment)
Notes. This attack was instead against the U-615, causing no damage.
General notes on this boat
There was going to be another loss around convoy SC-104 as U-353 was sunk the next day.
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-661 did not suffer any casualties (we know of) until the time of her loss.
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