There was no recorded wreck at this site so it had been reported towards the applicable authorities, such as the Receiver with the Wreck (RoW). U-31 evaded a spread of 4 torpedoes fired by HMS Trident about 15 miles (24 km) south of Lorient and was then pressured to dive https://u3178777.amoblog.com/getting-my-u31-to-work-55982183