There was no recorded wreck at this area so it had been described towards the pertinent authorities, including the Receiver of the Wreck (RoW). They were regarded superb boats. Throughout the war 8 ended up sunk, 3 surrendered and ended up eventually scrapped, and two were deemed lacking. Now a https://u3179111.bloggactivo.com/33411846/the-definitive-guide-to-u31