There was no recorded wreck at this location so it had been documented 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 fifteen miles (24 km) south of Lorient and was then compelled to dive https://lanefwoyh.eedblog.com/34264599/the-definitive-guide-to-u31