She was sent to the United Kingdom in November where she joined escort group 26L. On 29 October 1942 Summerside along with rescued survivors from the crew of the American tanker Pan New York which was torpedoed and damaged by U-624 in the North Atlantic 550 miles west of Malin Head at 54-58N, 23-56W. Both warships sank the damaged tanker with gunfire and depth charges.