|Ordered||15 Aug 1940|
|Laid down||22 Apr 1941||Blohm & Voss, Hamburg (werk 587)|
|Launched||8 Jan 1942|
|Commissioned||26 Feb 1942||Kptlt. Nikolaus von Jacobs|
|Successes||No ships sunk or damaged|
Sunk 8 Dec, 1942 in the North Atlantic south-east of Cape Farewell, in position 57.25N, 35.19W, by depth charges from a British Liberator aircraft (Sqdn. 120/B). 45 dead (all hands lost). (Axel Niestlé, October 1995).
Previously recorded fate
- Sunk 10 Dec 1942 south of Iceland, in position 58.09N, 22.44W, by depth charges from an American Catalina aircraft (VP 84/H). (Postwar assessment)
Notes. This attack was directed against the U-609 inflicting no damage.
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-611 did not suffer any casualties (we know of) until the time of her loss.