NTSB Identification: CHI97LA140.
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Accident occurred Wednesday, May 21, 1997 in INDIANAPOLIS, IN
Probable Cause Approval Date: 08/25/1997
Aircraft: Aerospatiale AS-365-N2, registration: N653CN
Injuries: 1 Fatal,1 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.

The pilot said that he was delivering the passenger and his associate to their company's corporate ramp. 'I landed, taxied in, shut down the engines, and had applied the rotor brake. My passengers were deplaning from the right side of the helicopter with the help of line personnel.' The passenger 'walked forward of the helicopter and turned left into the tip path plane of the rotor system. The passenger was struck in the left temple by a main rotor blade.' The condition of the ramp was good. The static flex clearance of the helicopter blade was determined to decrease at increased wind velocities. The surface winds at 0756 est were reported as 040 at 14 gusting to 21 knots.

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

inadequate visual clearance by the passenger resulting in his being struck with the rotor blade. A factor relating to this accident was the gusting winds.

Full narrative available

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