This particular 106 was an 093 type. The boat number was 106, not to be confused with the type.
7 Oct 1917 - Lost in a new minefield off Heligoland when homeward bound. 41 dead (all hands lost).
Right. The search came up with those two boats when I used “Submarine U-106” - I didn’t want to post all that wordage here but let those that are interested search it for themselves.