There was no recorded wreck at this site so it was reported on the related authorities, including the Receiver in the Wreck (RoW). U-31 evaded a distribute of 4 torpedoes fired by HMS Trident about 15 miles (24 km) south of Lorient and was then forced to dive when fired https://dallasibuhx.bleepblogs.com/34601918/detailed-notes-on-u31