List of all U-boats




Ordered23 Sep 1939
Laid down8 Apr 1940 Danziger Werft AG, Danzig (werk 102)
Launched16 Dec 1940
Commissioned10 Apr 1941Kptlt. Gero Zimmermann
10 Apr 1941 - 3 Aug 1941  Kptlt. Gero Zimmermann
1 patrol
10 Apr 1941-1 Jul 1941  1. Flottille (training)
1 Jul 1941-3 Aug 1941  1. Flottille (active service)
SuccessesNo ships sunk or damaged

Sunk on 3 August 1941 in the North Atlantic south-west of Ireland, in position 50.30N, 19.35W, by depth charges from the British corvette HMS Hydrangea. 45 dead (all hands lost). (Axel Niestlé, February 2004).

Loss position

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-401 did not suffer any casualties (we know of) until the time of her loss.

Media links

U-Boat Operations of the Second World War - Vol 1

Wynn, Kenneth

German U-Boat Losses During World War II

Niestle, Axel

Hitler's U-boat War

Blair, Clay