There was no recorded wreck at this locale so it absolutely was described for the related authorities, such as the Receiver of the Wreck (RoW). U-31 evaded a spread of four torpedoes fired by HMS Trident about fifteen miles (24 km) south of Lorient and was then forced to dive https://u3179742.answerblogs.com/32478472/u31-can-be-fun-for-anyone