RedactedNarrative: ON WEDNESDAY, 9/12/2018, AT APPROXIMATELY 0830 HRS., FACILITY MANAGER AT NAVAJO LAKE MARINA, CALLED AND REPORTED THAT A DECK BOAT HAD BEEN RETURNED WITH DAMAGE TO THE PROPELLER BLADES, SKEG AND LOWER UNIT. I MET WITH FACILITY MANAGER AT THE MARINA AT APPROXIMATELY 1000 HRS. FACILITY MANAGER PROVIDED ME WITH RENTAL AGREEMENTS. HE THEN SHOWED ME THE DAMAGED VESSEL, A 2018 HURICANE SS188 DECK BOAT WITH NEW MEXICO REGISTRATION. I PHOTOGRAPHED THE DAMAGE TO THE SKEG, LOWER UNIT AND PROPELLER. FACILITY MANAGER STATED THAT THE REPLACEMENT COST OF THE LOWER UNIT AND PROPELLER WOULD BE APPROXIMATELY $2500.00 MORE OR LESS. NO INJURIES WERE REPORTED.
  
  On 9/13/18, I INTERVIEWED OPERATOR BY TELEPHONE. OPERATOR RELATED THE FOLLOWING. HE WAS THE ONLY OCCUPANT OF THE BOAT. HE WAS TRAVELING TOWARD COLORADO AND WAS GOING SLOW, UNDER 10 MILES PER HOUR, TO CHECK THE AREA OUT. OPERATOR WAS ON THE LEFT SIDE OF THE CHANNEL, APPROXIMALTEY 30 MINUTES NORTH OF THE PINE MARINA, WHEN HE CAME CLOSE TO A BUOY AND STRUCK AN UNDERWATER OBJECT. OPERATOR SAID THE BUOY HAD A STRIPE ON THE TOP AND BOTTOM. HE WAS APPROXIMATELY 75 TO 100 FEET FROM THE SHORE AND HE WAS ABOUT 15 FEET FROM THE BUOY. AFTER STRIKING THE OBJECT HE RETURNED TO THE MARINA. ON 9/14/18, IN FURTHERANCE OF THIS INVESTIGATION AND IN THE INTEREST OF PUBLIC SAFETY, I CHECKED THE SAN JUAN CHANNEL FROM PINE MARINA TO THE COLORADO STATE LINE, CHECKING AROUND EACH BUOY. I WAS UNABLE TO FIND THE LOCATION OF THE HAZARD OR THE ACCIDENT.
  
  BASED ON MY INVESTIGATION, THIS ACCIDENT COULD HAVE BEEN CAUSED BY AN UNDERWATER HAZARD SUCH AS A BRANCH, LOG OR DISCARDED OBJECT FLOATING UNDER THE SURFACE OF THE WATER, OR AN UNKNOWN ROCK OR BOLDER THAT HAD SHIFTED FROM A PREVIOUS LOCATION. IT IS UNKNOWN THE TYPE OF BUOY THAT WAS IN THE AREA. 
  
  NO OPERATOR ERROR ASSESSED AT THIS TIME.