There was no recorded wreck at this place so it absolutely was noted on the applicable authorities, such as the Receiver with the Wreck (RoW). They were regarded great boats. During the war 8 were sunk, 3 surrendered and have been eventually scrapped, and two have been viewed as lacking. https://riverdpttr.blog4youth.com/34782956/the-2-minute-rule-for-u31