U-98 sailed from Kiel under the command of Robert Gysae on 12 March 1941, and out into the Atlantic south of Iceland. On 27 March she sank the British 6,695 GRT Koranton, a straggler from Convoy SC 25, with a single torpedo south southwest of Reykjavík. The ship sank quickly; she was loaded with 8,769 tons of pig iron.
U-98 departed Kiel under the command of Robert Gysae on 12 March 1941, venturing into the Atlantic south of Iceland. On 27 March, she sank the British ship Koranton (6,695 GRT), a convoy escort from Convoy SC 25, with a single torpedo southwest of Reykjavík. The vessel quickly sank; it was carrying 8,769 tons of pig iron.