There was no recorded wreck at this locale so it was noted into the suitable authorities, including the Receiver in the Wreck (RoW). U-31 evaded a distribute of 4 torpedoes fired by HMS Trident about fifteen miles (24 km) south of Lorient and was then pressured to dive when fired https://beckettttnia.canariblogs.com/the-2-minute-rule-for-u31-49006592