There was no recorded wreck at this place so it was reported for the related authorities, including the Receiver on the Wreck (RoW). U-31 evaded a distribute of four torpedoes fired by HMS Trident about fifteen miles (24 km) south of Lorient and was then forced to dive when fired https://traviswuhvk.blogrelation.com/40376988/not-known-details-about-u31