There was no recorded wreck at this location so it was reported into the pertinent authorities, including the Receiver on the Wreck (RoW). U-31 evaded a distribute of four torpedoes fired by HMS Trident about 15 miles (24 km) south of Lorient and was then compelled to dive when fired https://u3133196.bleepblogs.com/32803740/the-definitive-guide-to-u31