There was no recorded wreck at this area so it was reported for the appropriate authorities, including the Receiver of the Wreck (RoW). U-31 evaded a distribute of 4 torpedoes fired by HMS Trident about 15 miles (24 km) south of Lorient and was then forced to dive when fired https://connerphtdp.thechapblog.com/33265618/u31-fundamentals-explained