She was sunk in December as part of Operation "Deadlight". She was sunk in December as part of Operation Deadlight. The company is best known for developing "Deadlight" and "Rime". She was transferred to Loch Ryan in Scotland in anticipation of Operation "Deadlight". She was sunk on 30 November 1945 as part of Operation "Deadlight". She surrendered in May 1945 and was sunk in December as part of Operation "Deadlight". Twenty surrendered to the Allies and were sunk in Operation Deadlight. Two U-boats that survived Operation Deadlight are today museum ships. The storm cover is referred to as a deadlight in maritime parlance. Several U-boats escaped Operation Deadlight. This activity was codenamed Operation Deadlight. "U-541" was transferred to Lisahally in Northern Ireland for Operation "Deadlight". Conceptual design of the game began during the development of "Deadlight". She was later sunk by gunfire on 8 December 1945 as part of Operation Deadlight. In 2001-2 McCartney led expeditions to identify some of the U-boats sunk during Operation Deadlight.