There was no recorded wreck at this site so it absolutely was claimed for the pertinent authorities, including the Receiver on the Wreck (RoW). They had been viewed as fantastic boats. Over the war 8 ended up sunk, three surrendered and were inevitably scrapped, and two have been regarded lacking. https://spencerbxmvg.dreamyblogs.com/32644091/the-best-side-of-u31