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NTSB Report
September 17, 1984 · Bell 206B · N7111J
Long Beach, CA
Overview
Report Status
Preliminary report
Event Type
Accident
Date
September 17, 1984
Injury Outcomes
1 injury (1 minor injury), 1 uninjured
Location
Long Beach, CA
Aircraft
Bell 206B
Tail Number
N7111J
Operator
Permian Aviation
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
LAX84FA483
THE ACFT EXPERIENCED A POWER LOSS DURING FLARE FOR LANDING. THE PLT PULLED COLLECTIVE TO SOFTEN THE TOUCHDOWN FROM 30 FTAGL BUT THE LANDING WAS HARD. POST ACCIDENT EXAMINATION OF THE ENGINE SHOWED A FAILURE OF THE #1 TURBINE DISC. LAB EXAM OF THE DISC SHOWED FAILURE FROM OVERHEATING AND FATIGUE. AN AD WAS IN EXISTANCE WITH THE PURPOSE OF PREVENTIG AFTER FIRES FROM INCOMPLETE FUEL CUT OFF DURING ENGINE SHUTDOWN BY ADJUSTING THE FUEL CONTROL QUADRANT TO READ MINUS 2 DEGREESWITH THE THROTTLE AGAINST THE MINIMUM STOP. INVESTIGATION SHOWED THE FUEL CONTROL QUADRANT ON THE ACCIDENT ACFT READ '0'DEGREES WITH THE THROTTLE LEVER AGAINST THE MINIMUM STOP.
Full Narrative
THE ACFT EXPERIENCED A POWER LOSS DURING FLARE FOR LANDING. THE PLT PULLED COLLECTIVE TO SOFTEN THE TOUCHDOWN FROM 30 FTAGL BUT THE LANDING WAS HARD. POST ACCIDENT EXAMINATION OF THE ENGINE SHOWED A FAILURE OF THE #1 TURBINE DISC. LAB EXAM OF THE DISC SHOWED FAILURE FROM OVERHEATING AND FATIGUE. AN AD WAS IN EXISTANCE WITH THE PURPOSE OF PREVENTIG AFTER FIRES FROM INCOMPLETE FUEL CUT OFF DURING ENGINE SHUTDOWN BY ADJUSTING THE FUEL CONTROL QUADRANT TO READ MINUS 2 DEGREESWITH THE THROTTLE AGAINST THE MINIMUM STOP. INVESTIGATION SHOWED THE FUEL CONTROL QUADRANT ON THE ACCIDENT ACFT READ '0'DEGREES WITH THE THROTTLE LEVER AGAINST THE MINIMUM STOP.
Flight
Event TypeAccident
Event Time15:50 PDT
Nearest AirportLong Beach (0nm N)
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBell 206B
Tail NumberN7111J
Aircraft CategoryHeli
DamageSubstantial
OperatorPermian Aviation
Operating RulePart 135
Engines1
Engine TypeTurboshaft
Engine DetailsAllison · 250C20 · Turboshaft · 317
Seats5
People & Injuries
Injury Summary1 injury (1 minor injury), 1 uninjured
Fatal0
Serious0
Minor1
Uninjured1
Total2
Crew 1Age 46 · First Class
Conditions
ConditionsVMC
LightDaylight
Wind290° @ 13 kt
Visibility14 sm
CeilingBroken clouds 15000 ft
Temperature / Dew Point70 F
Altimeter29.00 inHg
Observation Time22:52
Weather SourceWFAC