NTSB Identification: NYC83LA028
Nonscheduled 14 CFR Part 135: Air Taxi & Commuter
Accident occurred Saturday, November 13, 1982 in WEST MIFFLIN, PA
Probable Cause Approval Date: 11/13/1983
Aircraft: AEROSPATIALE SA316B, registration: N72590
Injuries: 3 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.
PILOT TURNED AIRCRAFT INTO THE WIND TO PERFORM POWER CHECK. APPROXIMATELY 3-5 FT ABOVE THE GROUND THE PILOT REPORTEDLY BEGAN RECEIVING FEEDBACK THROUGH THE CYCLIC. MODERATE THEN SEVERE VIBRATION OF THE AIRFRAME WAS REPORTED. AIRCRAFT YAWED 90 DEGREES LEFT AND THE PILOT LOWERED THE AIRCRAFT TO THE GROUND. THERE WAS SUBSTANTIAL DAMAGE TO THE MAIN ROTOR BLADES, TAILBOOM, VERTICAL FINS, TAIL ROTOR DRIVESHAFT AND TAIL ROTOR.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:ROTORCRAFT FLIGHT CONTROL,CYCLIC CONTROL..UNDETERMINED
WEATHER CONDITION..HIGH WIND
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