NTSB Identification: LAX86LA070.
The docket is stored on NTSB microfiche number 30411.
Accident occurred Wednesday, December 18, 1985 in MOSS, CA
Aircraft: BELL 47G2, registration: N8404E
Injuries: 1 Minor.

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 STARTING A LEFT CLIMBING TURN AT THE END OF A SPRAY RUN THE PLT SAID HE FELT A 'SHUDDER IN THE AIRFRAME' AS THE ENGINE 'WENT TO FULL RPM.' THE PLT STATED THAT HE THOUGHT 'THE CLUTCH HAD SLIPPED' AND ADDED COLLECTIVE TO COMPENSATE. THE HELICOPTER BEGAN SETTLING TOWARD THE GROUND AND THE PLT SAID HE COULD NOT ARREST THE DESCENT PRIOR TO GROUND IMPACT. THE ENGINE, TRANSMISSION AND CLUTCH ASSEMBLIES WERE EXAMINED, WITH NO EVIDENCE OF PRE-IMPACT FAILURE OR MALFUNCTION EVIDENT.

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

AIRCRAFT PERFORMANCE..EXCEEDED

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

IN-FLIGHT PLANNING/DECISION..POOR..PILOT IN COMMAND

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

REMEDIAL ACTION..NOT ATTAINED..PILOT IN COMMAND

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

AIRCRAFT HANDLING..MISJUDGED..PILOT IN COMMAND

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

DESCENT..NOT CORRECTED..PILOT IN COMMAND

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