There was no recorded wreck at this locale so it was reported on the pertinent authorities, including the Receiver on the Wreck (RoW). U-31 evaded a distribute of four torpedoes fired by HMS Trident about 15 miles (24 km) south of Lorient and was then forced to dive when fired https://u3143107.sharebyblog.com/33971887/details-fiction-and-u31