NTSB Identification: DFW08LA055.
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Accident occurred Thursday, January 03, 2008 in Oklahoma City, OK
Probable Cause Approval Date: 03/31/2008
Aircraft: Pilatus PC-12/45, registration: N398J
Injuries: 1 Fatal,8 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

After an uneventful landing at night, the commercial rated pilot taxied the single-engine turbo propeller equipped airplane to a FBO based at the airport. Upon reaching the FBO's dimly lit ramp, a line technician, who was employed by the FBO, used lighted wands to marshal the airplane to a parking spot. When the airplane came to a complete stop, the pilot set the parking brake. As the pilot was initiating the engine shut down procedures, he heard a loud "thud" and felt the engine, propeller, and airplane begin to vibrate. He looked up and saw the line technician rolling on the ramp toward the airplane's left wing tip. Upon exiting the airplane, the pilot and one of the passengers, who was a physician, noted that the line technician was critically wounded and immediately initiated first aid. It was also noted that a set of wheel chocks and the severed sections of the two lighted wands were near the propeller at the front of the airplane. The line technician had received a written warning from his employer approximately three months before the accident for attempting to chock the nose wheel of another airplane while the engines were operating.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

The line technician's failure to remain clear of the propeller. A factor was the night lighting conditions.

Full narrative available

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