NTSB Identification: LAX87LA222.
The docket is stored on NTSB microfiche number 35758.
Accident occurred Tuesday, June 02, 1987 in PAYSON, AZ
Probable Cause Approval Date: 02/24/1989
Aircraft: BELL 47G-3B-1, registration: N73916
Injuries: 2 Serious.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
A BELL 47G-3B-1 COLLIDED WITH TREES AND WAS SUBSEQUENTLY DESTROYED BY FIRE AFTER A LOSS OF POWER IN A REMOTE WILDERNESS AREA. THE PILOT REPORTED THE ENGINE WENT TO IDLE DURING FLIGHT. HE WAS UNABLE TO REGAIN ENGINE RPM BY MANIPULATION OF THE THROTTLE. THE PILOT WAS FORCED TO ENTER AUTOROTATION. THE PILOT WAS FORCED TO ENTER TREES DURING THE LANDING. THE AIRCRAFT WAS EXAMINED BY THE FAA. THE EXAMINING INSPECTOR STATED HE WAS UNABLE TO ESTABLISH CONTROL CONTINUITY OF THE HELICOPTERS THROTTLE LINKAGE.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:THROTTLE/POWER LEVER,LINKAGE..NOT ENGAGED
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