There was no recorded wreck at this place so it was reported into the appropriate authorities, such as the Receiver on the Wreck (RoW). They ended up regarded superb boats. In the war eight were sunk, 3 surrendered and were at some point scrapped, and two were viewed as missing. https://mariodqfos.pointblog.net/the-single-best-strategy-to-use-for-u31-75080104