NTSB Identification: LAX89LA297.
The docket is stored on NTSB microfiche number 40879.
Accident occurred Wednesday, September 06, 1989 in MURRIETA, CA
Probable Cause Approval Date: 06/22/1992
Aircraft: BELL 206B, registration: N111JG
Injuries: 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.

AFTER COMPLETING AN EXTERNAL LOAD AERIAL SPRAYING APPLICATION OVER A LAKE THE HELICOPTER SUSTAINED A PARTIAL LOSS OF POWER AND A DECAYING LOSS OF ROTOR RPM. THE PLT TURNED TOWARD THE SHORELINE AND EXECUTED AN AUTOROTATION BUT ITS ALTITUDE (150 FT AGL) WAS INSUFFICIENT TO NEGOTIATE THE SHORE. THE WRECKAGE EXAM DSCLSD THAT THE FUEL CONTROL UNIT CONTAINED CONTAMINATES.

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

A PARTIAL LOSS OF ENGINE POWER DUE TO CONTAMINATES IN THE FUEL CONTROL UNIT. THE ORIGIN OF THE CONTAMINATES WAS NOT DETERMINED. CONTRIBUTING FACTOR(S) WAS: THE HELICOPTER WAS NOT EQUIPPED WITH FLOATS.

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