RedactedNarrative: OPERATOR 1 WAS OPERATING VESSEL 1 WHILE VESSEL 1 HAD STOPPED TO LET PEOPLE SWIM AROUND IT. OPERATOR 1 STARTED UP VESSEL 1 WITH THE SWIMMER STILL IN THE WATER AND PASSENGER 2 WAS ON BOARD VESSEL 1. 
  
  AS VESSEL 1 STARTED THE BOAT JERKED CAUSING PASSENGER 2 TO BE EJECTED OVERBOARD AND STRIKE THE BOATS PROPELLER. THIS CAUSED PASSENGER 2 TO SUSTAIN INJURIES. NONE OF THE OTHER SWIMMERS AND OCCUPANTS ON VESSEL 1 SUSTAINED ANY INJURIES. THERE WAS NO DAMAGE TO VESSEL 1.