List of all U-boats




Ordered20 Jan 1941
Laid down5 Jun 1943 Kriegsmarinewerft (KMW), Wilhelmshaven (werk 160)
Launched25 Mar 1944
Commissioned9 May 1944Oblt. Günter Ruperti
9 May 1944 - 15 Oct 1944   Günter Ruperti
No patrols
9 May 1944-15 Oct 1944  31. Flottille (training)
SuccessesNo ships sunk or damaged

Sunk at 2002hrs on 15 Oct 1944 near Wilhelmshaven, Germany, in position 53.51N, 08.10E, by British bombs during an air raid.

Loss position

Men lost from U-boats

Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-777 did not suffer any casualties (we know of) until the time of her loss.

U-boat Emblems

We have 1 emblem entry for this boat. See the emblem page for this boat or view emblems individually below.


Media links

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

Wynn, Kenneth

German U-Boat Losses During World War II

Niestle, Axel