THE PLT INDICATED THAT HE AND HIS WIFE WERE PLANNING TO FLY TOGETHER, BUT AT THE LAST MINUTE HIS WIFE CHANGED HER MIND. SHE EXITED THE ACFT AND DEPARTED THE AREA TO THE REAR OF THE PLANE. THE PLT WAS TAXIING FROM HIS PARKING SPOT WHEN HIS WIFE SUDDENLY APPEARED ON THE LEFT SIDE OF THE ACFT. HE STOPPED THE ACFT, BUT HIS WIFE CONTINUED TO MOVE FORWARD AND WALKED INTO THE ACFT'S PROPELLER. THE PROPELLER STRUCK THE RIGHT SIDE OF HER BODY SEVERING THE RIGHT ARM, LACERATING HERRIGHT CHEST CAVITY, AND LACERATING THE INNER PORTION OF THE RIGHT THIGH. A EMS HELICOPTER LOCATED AT THE ARPT WAS CALLEDAND ARRIVED 7 MIN LATER. THE MEDICAL CREWMEMBERS ADMINISTERED ADDITIONAL FIRST AID AND APPLIED A TOURNIQUET. THE VICTIM WAS EVACUATED 20 MIN AFTER THE ACCIDENT. THE PLT LATER INDICATED THAT HIS WIFE WAS RETURNING TO THE ACFT TO GET HER PURSE.