https://books.google.com/books?id=j6ooZdh1rlkC&pg=PA20&lpg=PA20&dq=%22hms+ariel%22&source=web&ots=_fsd6EmElO&sig=jhg2rEODlykGv8xZacgpd58cU4k&hl=en&sa=X&oi=book_result&resnum=13&ct=result#PPA20,M1 Lost Patrols: Submarine Wrecks of the English Channel], by Innes McCartney and Jak Mallmann-Showell, Periscope Publishing Ltd, 2002, , p.20 Twenty-five German sailors were killed, and UC-19 now lies in about 330 feet of water in an approximate position of coord.