AFTER TOUCHDOWN, THE PILOT REMAINED IN THE HELICOPTER FOR SHUTDOWN PROCEDURES. BEFORE THE ROTOR BLADES HAD STOPPED THE PASSENGER, WITH THE HELP OF A PERSON OUTSIDE, EXITED THE HELICOPTER. BEFORE CLEAR OF THE MAIN ROTOR BLADES, THE PASSENGER RAISED HER HAND. THE ROTOR CONTACTED HER LEFT HAND AND AMPUTATED HER THUMB AND INDEX FINGER.