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 October 1944 in the Bauhafen at Wilhelmshaven by bombs during a British air raid (RAF Bomber Command). No casualties.

Raised on 22 November 1944 and decommissioned. Scuttled on 5 May 1945 at Wilhelmshaven, western entrance to Readerschleuse. Wreck broken up.

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