German submarine U-517 tally of successes      Kapitänleutnant Paul Hartwig   SS Chatham SS Arlyn SS Donald Stewart SS Mount Pindus SS Mount Taygetus SS Oakton HMCS Charlottetown SS Inger Elisabeth SS Saturnus Torpedo attack on SS Chatham August 27, 1942 In the Strait of Belle Isle This ship was the first American troop transport to be destroyed during the Second World War. She was part of American Convoy SG 6, sailing from Sydney to Greenland.   Torpedo attack on SS Arlyn August 27, 1942 In the Strait of Belle Isle Hit by two torpedoes, the SS Arlyn sinks in a little over an hour.   Torpedo attack on SS Donald Stewart Night of September 2 to 3, 1942 South of the Strait of Belle Isle The first Canadian Merchant Fleet ship to perish in the Battle of the St. Lawrence, the SS Donald Stewart was making her way to Labrador loaded with airplane fuel and bulk cement to be used for runway construction at the American airport in Goose Bay.   Torpedo attack on SS Mount Pindus September 7, 1942 In front of Cap-Gaspé This Greek ship sank in barely 15 minutes.   Torpedo attack on SS Mount Taygetus September 7, 1942 In front of Cap-Gaspé This Greek ship sank in barely 15 minutes.   Torpedo attack on SS Oakton September 7, 1942 In front of Cap-Gaspé The German torpedo hit the engine room, killing a stoker and two boilermen, sending the cargo of coal to the bottom of the sea.   Torpedo attack on HMCS Charlottetown Torpedo attack on HMCS Charlottetown September 11, 1942 Near Cap-Chat The ship sank in four minutes.   Torpedo attack on SS Inger Elisabeth September 15, 1942 Near the banks of Gaspé This ship was one of the 21 in Convoy SQ 36.   Torpedo attack on SS Saturnus September 15, 1942 Near the banks of Gaspé This ship was one of the 21 in Convoy SQ 36.