There was no recorded wreck at this location so it was documented towards the related authorities, including the Receiver in the Wreck (RoW). U-31 evaded a unfold of four torpedoes fired by HMS Trident about fifteen miles (24 km) south of Lorient and was then pressured to dive when fired https://johnnyvjsbn.blogoscience.com/40417262/the-best-side-of-u31