RedactedNarrative: OPERATOR WAS STATIONARY AND PICKING UP THE FIRST OF 2 DOWNED TUBERS, THE VICTIM.  HE SAW ANOTHER UNIDENTIFIED VESSEL APPROACHING THE 2ND TUBER.  THE OPERATOR BELIEVED THE VICTIM WAS FULLY ON BOARD, SO HE THROTTLED UP TO GET TO THE OTHER TUBER.  WHEN HE DID, THE PROPELLER STRUCK THE FOOT OF THE VICTIM, CAUSING A LACERATION.  THE 2ND VESSEL WAS NEVER IDENTIFIED.