116 U-boats were scuttled or otherwise sunk in 1945 and 1946 in Operation Deadlight. They had been surrendered by the Kriegsmarine to the Allies at the end of the Second World War. They were sunk by air attack, torpedo and naval gunfire off the Irish and Scottish coasts, while a number sank while under tow.

Table of Operation Deadlight U-boats Boat TypeSurrenderedPlaceSunkLocationDepartedMethodNotesIID5 May 1945Heligoland 22 December 194555.58N 09.35W Loch Ryan Naval gunfire Tow parted, sunk by IID5 May 1945 Heligoland22 December 1945 55.47N 09.56W Loch RyanNaval gunfire Tow parted, sunk HMS OnslowIID5 May 1945Heligoland21 December 1945 55.40N 08.00W Loch Ryan Naval gunfire Tow parted, sunk IID5 May 1945Heligoland21 December 1945 56.04N 09.35W Loch Ryan Naval gunfire and HMS PoweyIXC5 May 1945Baring Bay21 December 1945 55.35N 07.39W Loch Ryan Naval gunfire Tow parted, sunk IXC/409 May 1945Horten Naval Base30 November 1945 55.44N 07.53W Loch RyanNaval gunfire HMS Onslaught and ORP PiorunVIID12 May 1945Bergen 4 December 1945 55.28N 07.18W Loch Ryan Foundered in towVIIC 14 May 1945Loch Eriboll 14 May 194555.46N 08.32W Loch EribollNaval gunfire Tow parted, sunk ORP PiorunVIIC 9 May 1945Bergen7 December 1945 55.25N 06.19W Loch Ryan Foundered in towVIIC 10 May 1945Portland Harbour 13 December 1945 56.10N 10.05W Loch Ryan Torpedo Sunk VIIC 17 May 1945 Loch Eriboll 13 December 1945 55.50N 10.05W Loch Eriboll Aircraft rockets VIIC 9 May 1945Narvik 31 December 1945 55.44N 08.21W LisahallyNaval gunfire HMS Onslow and ORP BłyskawicaVIIC 9 May 1945Kristiansand–Süd30 November 1945 55.50N 10.05W Loch Ryan Foundered in towVIIC 5 May 1945Cuxhaven20 December 1945 55.50N 09.08W Loch Ryan Naval gunfire HMS OnslaughtVIIC/4111 May 1945Loch Eriboll13 December 1945 55.50N 10.05W Loch Ryan Naval gunfire VIIC/419 May 1945 Narvik31 December 1945 55.44N 08.40W Lisahally Naval gunfire and VIIC/419 May 1945 Narvik 17 December 1945 56.14N 10.37W Loch Ryan Naval gunfire ORP BłyskawicaVIIC/419 May 1945 Bergen 29 November 1945 55.35N 07.45W Loch Ryan Naval gunfire HMS Onslow and VIIC/419 May 1945 Kristiansand Süd 4 December 1945 55.38N 07.54W Loch Ryan Naval gunfire HMS Onslow and HMS CubittVIIC 9 May 1945 Narvik 29 November 1945 55.35N 07.54W Lisahally Naval gunfire HMS OnslowVIIC 9 May 1945 Narvik 27 December 1945 55.40N 08.24W Loch Ryan Foundered in tow VIIC/419 May 1945 Narvik 21 December 1945 55.47N 08.30W Loch RyanNaval gunfire ORP Piorun VIIC/419 May 1945 Bergen 30 November 1945 55.50N 10.05W Loch RyanAircraft Fleet Air Arm VIIC 9 May 1945 Narvik 31 December 1945 55.45N 08.18W Lisahally Naval gunfire HMS Onslaught and ORP Błyskawica VIIC 5 May 1945 Heligoland 17 December 1945 56.14N 10.37W Loch Ryan Naval gunfire VIIC 9 May 1945 Kristiansand 30 November 1945 55.31N 07.27W Scapa Flow VIIC 9 May 1945 Narvik 21 December 1945 56.04N 09.35W Loch Ryan Unknown VIIC 9 May 1945 Narvik 30 November 1945 56.11N 10.00W Loch Ryan Unknown VIIC 9 May 1945 Trondheim 30 November 1945 56.10N 10.05W Loch Ryan Unknown VIIC 12 May 1945 Gibraltar 8 December 1945 56.10N 10.05W Loch Ryan Unknown IXC 14 May 1945 Loch Eriboll 2 January 1946 56.06N 09.00W Lisahally IXC/40 13 May 1945 Loch Eriboll 9 December 1945 56.08N 10.07W Loch Ryan Torpedo Sunk by submarine HMS TantivyIXC/40 9 May 1945 Bergen 4 December 1945 55.38N 07.57W Loch Ryan Foundered in towIXC/40 12 May 1945 Gibraltar 5 January 1946 55.38N 07.35W LisahallyNaval gunfire Tow parted, sunk HMS Onslaught and HMS ZealousVIIC 9 May 1945 Stavanger 21 December 1945 55.35N 07.46W Loch Ryan Foundered in towVIIC 9 May 1945 Narvik 31 December 1945 56.03N 09.24W Lisahally Naval gunfire Tow parted, sunk by HMS OnslaughtVIIC 5 May 1945 Baring Bay 28 December 1945 55.24N 06.29W Loch Ryan Naval gunfire HMS OnslaughtVIIC 9 May 1945 Narvik 11 December 1945 55.50N 10.05W Loch Ryan Air attack VIIC 5 May 1945 Heligoland 21 December 1945 56.04N 09.35W Loch Ryan Naval gunfire VIIC 13 May 1945 Emden 16 December 1945 56.10N 10.05W Loch Ryan Air attack VIIC 8 September 1943 Vigo 13 December 1945 55.50N 10.05W Ferrol, Spain Interned in SpainVIIC 14 May 1945 Loch Eriboll 2 February 1946 56.06N 09.00W Lisahally Naval gunfire ORP PiorunVIIC 9 May 1945 Trondheim 8 December 1945 56.10N 10.05W Loch Ryan Unknown VIIC 9 May 1945 Trondheim 8 December 1945 55.40N 08.25W Loch Ryan Naval gunfire VIIC 16 May 1945 Portland 3 December 1945 55.08N 05.30W Portland FounderedVIIC 9 May 1945 Bergen 4 December 1945 55.32N 07.70W Loch Ryan FounderedVIIC 5 May 1945 Cuxhaven 17 December 1945 55.50N 10.05W Loch Ryan Naval gunfire HMS Onslow and HMS CubittIXC/40 11 May 1945 Loch Eriboll 31 December 1945 55.30N 08.25W Lisahally Foundered in towIXC/40 6 May 1945 Aarhus 21 December 1945 55.44N 8.18W Loch Ryan Naval gunfire ORP BłyskawicaVIIC 13 May 1945 Loch Eriboll 3 January 1946 55.31N 07.30W Lisahally Unknown VIIC 11 May 1945 Loch Eriboll 1 December 1945 56.10N 10.05W Loch Ryan Unknown IXD2 9 May 1945 Trondheim 31 December 1945 55.25N 07.15W Lisahally IXC/40 9 May 1945 Bergen 30 November 1945 55.48N 08.33W Loch Ryan IXD2 9 May 1945 Horten 31 December 1945 55.74N 09.27WLisahally Naval gunfire HMS OffaIXD2 9 May 1945 Bergen 31 December 1945 55.41N 08.28W Lisahally IXD/42 5 May 1945 Cuxhaven 31 December 1945 55.44N 08.40W Lisahally VIIC 15 May 1945 Stavanger 5 January 1946 55.50N 8.30W Lisahally Unknown VIIC 9 May 1945 Bergen 7 December 1945 55.17N 05.59W Loch Ryan VIIC 9 May 1945 Bergen 16 December 1945 56.06N 10.05WLisahally VIIC/41 9 May 1945 Bergen 29 December 1945 55.20N 07.35W Lisahally Naval gunfire HMS OnslowVIIC 13 May 1945 Loch Eriboll 17 December 1945 55.50N 10.05W Loch Ryan Naval gunfire VIIC 9 May 1945 Narvik 29 November 1945 55.24N 06.22W Loch Ryan VIIC 9 May 1945 Horten 10 February 1946 55.42N 09.01W Lisahally VIIC 9 May 1945 Trondheim 11 December 1945 56.10N 10.05W Loch Ryan VIIC 9 May 1945 Bergen 11 December 1945 56.10N 10.05W Loch Ryan Torpedo Sunk by submarine HMS TantivyVIIC 9 May 1945 Narvik 16 December 1945 56.10N 10.05W Loch Ryan Naval gunfire VIIC 9 May 1945 Trondheim 5 December 1945 55.50N 08.30W Loch Ryan Foundered in towVIIC/41 9 May 1945 Narvik 13 December 1945 55.50N 10.05W Loch Ryan Air attack VIIC/419 May 1945 Bergen 13 December 1945 56.10N 10.05W Lisahally Unknown causes VIIC/419 May 1945 Bergen 1 December 1945 56.10N 10.05W Loch Ryan Naval gunfire VIIC/4114 May 1945 Bergen 5 December 1945 55.33N 08.27W Loch Ryan Foundered in towVIIC/4110 May 1945 Loch Eriboll 16 December 1945 55.31N 07.24W Loch Ryan Naval gunfire VIIC/4114 May 1945 Loch Eriboll 7 January 1946 55.37N 07.49W Lisahally Naval gunfire ORP GarlandVIIC/419 May 1945 Trondheim 7 December 1945 55.27N 07.56W Loch Ryan Naval gunfire VIIC/419 May 1945 Bergen 29 December 1945 55.40N 08.15W Loch Ryan Unknown VIIC/4110 May 1945 Portland 7 January 1946 55.49N 08.24W Lisahally Unknown VIIC9 May 1945 Bergen 9 December 1945 55.50N 10.05W Loch Ryan Aircraft 816 Naval Air SquadronVIIF9 May 1945 Bergen 1 December 1945 56.10N 10.05W Loch Ryan Naval gunfire VIIC 13 May 1945 Hohwacht Bay 21 December 1945 56.04N 09.35W Loch Ryan Naval gunfire VIIC/418 May 1945 Cuxhaven 30 December 1945 56.03N 10.05W Loch Ryan Naval gunfire VIIC/419 May 1945 Bergen 1 December 1945 56.10N 10.05W Loch Ryan Naval gunfire VIIC/4112 May 1945 Loch Eriboll 6 January 1946 55.49N 08.31W Lisahally Torpedoes VIIC/4114 May 1945 List 21 December 1945 55.45N 08.19W Loch Ryan Naval gunfire VIIC/419 May 1945 Kristiansand 11 December 1945 55.50N 10.05W Loch Ryan Air attack VIIC/419 May 1945 Narvik 30 December 1945 55.44N 08.40W Lisahally Unknown VIIC9 May 1945 Cuxhaven 22 December 1945 55.59N 09.55W Loch Ryan Naval gunfire VIIC8 May 1945 Cuxhaven 17 December 1945 56.14N 10.37W Loch Ryan VIIC9 May 1945 Trondheim 8 December 1945 55.50N 10.05W Loch Ryan IXC/405 May 1945 Heligoland 17 December 1945 55.50N 10.05W Loch Ryan Naval gunfire HMS CubittIXC/405 May 1945 Baring Bay 29 December 1945 55.51N 08.54W Loch Ryan Naval gunfire HMS OnslaughtVIIC/419 May 1945 Bergen 8 December 1945 55.28N 07.20W Loch Ryan VIIC/4110 May 1945 Bergen 8 December 1945 55.50N 10.05W Loch Ryan VIIC/419 May 1945 Bergen 16 December 1945 55.50N 10.05W Loch Ryan Aircraft bombsVIIC/419 May 1945 Bergen 9 December 1945 55.50N 10.05W Loch Ryan Aircraft rockets XXIII9 May 1945 Kristiansand Süd 27 November 1945 56.10N 10.05W Loch Ryan Naval gunfire HMS Onslaught and ORP BłyskawicaXXIII 9 May 1945 Stavanger 27 November 1945 56.10N 10.05W Loch Ryan Naval gunfire HMS Onslaught and ORP BłyskawicaXXIII9 May 1945 Stavanger 27 November 1945 56.10N 10.05W Loch Ryan Naval gunfire HMS Onslow and ORP BłyskawicaXXIII9 May 1945 Kristiansand Süd 28 November 1945 56.10N 10.05W Loch Ryan Naval gunfire HMS Onslow and ORP BłyskawicaXXIII9 May 1945 Bergen 27 November 1945 56.12N 09.48W Loch Ryan Foundered under tow XXIII9 May 1945 Stavanger 28 November 1945 56.10N 10.05W Loch Ryan Naval gunfire HMS Onslow and ORP PiorunXXIII9 May 1945 Kristiansand Süd 28 November 1945 56.10N 10.05W Loch Ryan Naval gunfire HMS Onslow and ORP PiorunXXIII9 May 1945 Kristiansand Süd 28 November 1945 56.10N 10.05W Loch Ryan Naval gunfire HMS Onslow and ORP PiorunXXIII15 May 1945 Kiel 3 January 1946 56.06N 09.00W Lisahally Naval gunfire XXIII9 May 1945 Kristiansand Süd 28 November 1945 56.10N 10.05W Loch Ryan Naval gunfire HMS Onslow and ORP PiorunXXIII8 May 1945 Cuxhaven 31 December 1945 55.44N 08.19W Lisahally Naval gunfire HMS Onslaught and ORP BłyskawicaXXIII9 May 1945 Stavanger 27 November 1945 56.10N 10.05W Loch Ryan Scuttled XXIII9 May 1945 Kristiansand Süd 28 November 1945 56.10N 10.05W Loch Ryan Naval gunfire HMS Onslow and ORP PiorunXXIII5 May 1945 Flensburg 3 January 1946 55.50N 08.20W Lisahally Naval gunfire HMS OffaXXIII9 May 1945 Kristiansand Süd 22 December 1945 56.00N 10.05W Loch Ryan Naval gunfire HMS OnslowXXIII5 May 1945 Cuxhaven 6 January 1946 55.50N 08.20W Lisahally Naval gunfire HMS OnslaughtXXIII9 May 1945 Kristiansand Süd 27 November 1945 56.10N 10.05W Loch Ryan Naval gunfire HMS Onslow and ORP BłyskawicaXXIII9 May 1945 Kristiansand Süd 28 November 1945 56.10N 10.05W Loch Ryan Naval gunfire HMS Onslow and ORP PiorunXXI9 May 1945 Horten 2 January 1946 56.06N 09.00W Moville XXI9 May 1945 Bergen 5 January 1946 55.37N 07.30W Moville XXI9 May 1945 Bergen 7 January 1946 55.33N 07.38W Moville Naval gunfire Tow parted, sunk by XXI9 May 1945 Bergen 12 February 1946 56.00N 10.05W Loch Ryan Naval gunfire, depth charges, squid HMS Loch ArkaigBoatTypeSurrenderedPlaceSunkLocation DepartedMethodNotes

Note: 116 U-boats were involved in Operation Deadlight (counting U-760).

Footnotes

Bibliography