The HMCS Prescott was a Canadian ship that rescued many of the survivors from the Partridge after it was sunk on June 11, 1944.   The ship doesn’t look that much larger than the Partridge in this photo:


The German submarine U-163 was sunk in the North Atlantic north-west of Cape Finisterre in position 45º05’N, 15º00’W by depth charges from the Canadian corvette HMCS Prescott (Lt. W. McIsaac, RCNVR).

Read more about the Prescott and her history here: Link