On April 17, Flying Officer T. C. Cooke and his crew attacked and sank U-342 while on a meteorological flight west of Iceland.

In May 1944, a large detachment of the squadron moved east to RAF Wick, Scotland to support the invasion of Normandy.

162 sank four German submarines and shared in the sinking of a fifth that tried to break through the North Transit Area to attack the Allied D-Day invasion fleet.

These engagements took place in the Norwegian Sea roughly 200 miles north of the Shetland Islands, for example at 63°28′00″N 000°43′00″W / 63.46667°N 0.71667°W / 63.46667; -0.71667.

Hornell won the Victoria Cross for attacking and sinking U-1225 on June 24, 1944, despite withering anti-aircraft fire from the U-boat.