RedactedNarrative: THE OPERATOR OF VESSEL ONE STATED THAT HE WAS TRAVELING EAST IN CUT BLUFF SLOUGH WHEN HIS OUTBOARD MOTOR CAME INTO CONTACT WITH AN UNKNOWN UNDERWATER OBJECT.  THE OPERATOR STATED THAT THE MOTOR KICKED UP BREAKING THE TILLER HANDLE CAUSING HIM TO LOSE STEERING.  THE VESSEL THEN CAME INTO CONTACT WITH A TREE ON THE BANK EJECTING THE OPERATOR AND BOTH PASSENGERS.  ONE PASSENGER SUSTAINED A BROKEN FEMUR AND WAS AIR LIFTED.