RedactedNarrative: VESSEL 1 WAS MOORED WITH 8 PASSENGERS ON BOARD IN THE MAIN CHANNEL. AS PASSENGER 8 WAS ATTEMPTING TO UNTIE VESSEL 1 WHICH WAS MOORED AN UNKNOWN VESSEL CAUSED A WAKE. 
  
  THIS WAKE CAUSED PASSSENGER 8 TO LOSE THEIR BALANCE AND FALL OUT OF THE BOAT STRIKING A ROCK AND SUSTAINING SERIOUS INJURIES. NONE OF THE OTHER PASSENGERS SUSTAINED ANY INJURIES. THERE WAS NO OPERATOR AT THE TIME AND VESSEL 1 DID NOT SUSTAIN ANY DAMAGE.