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NTSB Report
September 6, 1989 · Bell 206B · N111JG
Murrieta, CA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
September 6, 1989
Injury Outcomes
No injuries (1 uninjured)
Location
Murrieta, CA
Aircraft
Bell 206B
Tail Number
N111JG
Injuries
None
Aircraft Damage
Substantial
NTSB Number
LAX89LA297
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.
NTSB Probable Cause
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.
Full Narrative
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.
Flight
Event TypeAccident
Event Time12:30 PDT
Nearest AirportFrench Valley (0nm)
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBell 206B
Tail NumberN111JG
Aircraft CategoryHeli
DamageSubstantial
Operating RulePart 133
Engines1
Engine TypeTurboshaft
Engine DetailsAllison · 250-C20 · Turboshaft · 400
Seats5
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 36 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind220° @ 8 kt
Visibility15 sm
CeilingNone
Temperature / Dew Point0 C
Altimeter0
Weather SourcePILO