RedactedNarrative: VESSEL 1 WAS TRAVELING SOUTH ON LAKE EUFAULA LEAVING THE BELLE STARR COVE AREA AND IMPACTED AN UNDERWATER SAND BAR CAUSING THE VESSEL TO COME TO A SUDDEN AND COMPLETE STOP.  INJURED AND PASSENGER 1 WERE BOTH EJECTED UPON IMPACT WITH SANDBAR.  AREA OF IMPACT IS APPROXIMATELY 66 FT EAST OF WEST SHORELINE AND VESSEL CAME TO REST AT AREA OF IMPACT.  PASSENGER 1 WAS EJECTED APPROXIMATELY 8 FT SOUTH OF THE IMPACT AREA AND INJURED WAS EJECTED APPROXIMATELY 20FT SOUTH OF THE IMPACT AREA.  BOTH PASSENGERS WERE LOADED IN THE VESSEL AND OWNER CALLED TOWBOAT USA TO ASSIST WITH REMOVING THE VESSEL FROM THE SANDBAR.  VESSEL AND OCCUPANTS THEN PROCEEDED TO THE BOAT RAMP AT BELLE STARR COVE WHERE THEY MET PAFFORD EMS.  INJURED WAS TRANSPORTED BY PAFFORD EMS TO TEXANNA FIRE DEPT WHERE THEY MET AIR EVAC AND THEN SHE WAS TRANSPORTED TO ST FRANCIS HOSPITAL IN TULSA. OPERATOR OF VESSEL HAD A "ODOR" OF AN ALCHOLIC BEVERAGE BUT DID NOT APPEAR TO BE IMPAIRED.