More than 100 German U-Boats were scuttled by the British after the end of World War II in Operation ‘DEADLIGHT’ off the NW coast of Ireland. Exactly where were they sunk? NORMAN FIELD (4642-1996) tells us the following:

BOAT	TYPE	REMARKS
U-764	VII-C	Sunk 2 Feb., 1946 at 56.06N x 09.00W as a target
U-773	VII-C	Sunk 8 December, 1945 by unknown causes at 56.10N x 10.05W
U-775	VII-C	Sunk 8 December, 1945 by gunfire at 55.40N x 08.25W
U-776	VII-C	On 14 May, 1945 this boat surrendered at position 50.10N x 11.26W. On 16 May, 1945 was taken over by a Royal Navy crew. On 22 May, 1945 she arrived in London and opened to the public. In June of 1945, she visited various south and east coast (England) ports. The boat foundered, sank on 3 Dec 1945 at 55.08N x 05.30W
U-778	VII-C	Sunk 4 December, 1945 on a bearing of 308 degrees off the Inishtrahull Light, 11.2 nautical miles out.
U-779	VII-C	Sunk by gunfire on 17 December, 1945; position not known.
U-825	VII-C	Sunk 3 Jan., 1946 at 55.31N x 07.30W; cause of sinking not known
U-826	VII-C	Sunk 1 Dec., 1945 at 56.10N x 10.05W; cause of sinking not known.
U-901	VII-C	Sunk 5 Jan.,, 1946 at 55.50N x 08.30W; cause of sinking not known.