V1 WAS HEADING WEST FROM HATBILL PARK.  WHEN THEY REACHED THE LOCATION WHERE THEY COULD PROCEED SW TO ORANGE MOUND, V1 OPERATOR TURNED HARD TO THE LEFT.  V1 PASSENGER WAS NOT EXPECTING TO TURN AND LOST HER BALANCE.  AT THE SAME TIME THE VESSEL CONTACTED THE RIVER BOTTOM.  THE VESSEL DID NOT AS WOULD HAVE BEEN EXPECTED.  V1 OPERATOR ACCELERATED AND STEERED HARD TO THE LEFT IN AN ATTEMPT TO COMPLETE THE TURN.  V1 IMPACTED THE EXPOSED RIVERBANK ON ITS STARBOARD SIDE.  AS THE VESSEL IMPACTED THE RIVER BANK, BOTH THE OPERATOR AND OCCUPANT WERE EJECTED FROM V1.  V1 OPERATOR LANDED ON TOP OF THE RIVERBANK AND WAS NOT INJURED.  V1 PASSENGER LANDED HEAD FIRST INTO THE VERTICAL PORTION OF THE RIVERBANK AND WAS UNABLE TO MOVE.  SHE WAS AIRLIFTED BY FIRST FLIGHT FROM THE LOCATION OF THE ACCIDENT TO HOLMES REGIONAL MEDICAL CENTER.
MIMS                          