NTSB Identification: DEN82IA150
Nonscheduled 14 CFR Part 135: Air Taxi & Commuter
Incident occurred Friday, July 30, 1982 in NEAR WINTER PAR, CO
Probable Cause Approval Date: 07/30/1983
Aircraft: AEROSPATIALE 350D, registration: N49556
Injuries: 4 Uninjured.

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

WITNESSES WHO WERE ABOARD THE AIRCRAFT STATED THAT THE AIRCRAFTS ROTOR STRUCK A TREE DURING A "STRAFFING RUN" ON A RAILROAD TRESTLE JUST BELOW THE CONTINENTAL DIVIDE. THE PILOT STATED THAT THE ENGINE FLAMED OUT AS HE PASSED OVER THE TRESTLE. THE AIRCRAFT WAS SUBSEQUENTLY AUTOROTATED SUCCESSFULLY TO A FIRE ROAD WITH ONLY MINOR DAMAGE. DURING THE INVESTIGATION THE ENGINE WAS FUNCTIONALLY TESTED AND RAN NORMAL AND NO DISCREPANCIES WERE NOTED IN ANY OTHER COMPONENTS. IT WAS NOTED THAT ONE MAIN ROTOR BLADE HAD BEEN DAMAGED DURING THE INCIDENT.

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

CLEARANCE..MISJUDGED..PILOT IN COMMAND


Contributing Factors

ROTOR SYSTEM,MAIN ROTOR BLADE..DISABLED

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