There was no recorded wreck at this site so it absolutely was reported to the relevant authorities, including the Receiver from the Wreck (RoW). U-31 evaded a unfold of 4 torpedoes fired by HMS Trident about 15 miles (24 km) south of Lorient and was then pressured to dive when https://edgaretgsb.isblog.net/u31-an-overview-51295317