"U-98" sailed on 18 January 1942, for her last patrol under the command of Robert Gysae, and headed across the Atlantic to the east coast of Canada.There, on 15 February 1942, she torpedoed the British 5,298 ton "Biela", originally from Convoy ON 62, sinking her about 400 miles southeast of Cape Race (on the eastern tip of Newfoundland).