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NTSB Report
June 26, 1992 · Hughes 369HS · N9089F
Labelle, FL
Overview
Report Status
Probable Cause
Event Type
Accident
Date
June 26, 1992
Injury Outcomes
1 injury (1 fatality)
Location
Labelle, FL
Aircraft
Hughes 369HS
Tail Number
N9089F
Operator
Rotorcraft Charter
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
MIA92FA142
THE PRIVATE PILOT DEPARTED ON A VFR FLIGHT IN VFR CONDITIONS. A WITNESS OBSERVED THE HELICOPTER AT ABOUT 600 FEET AGL DESCENDING IN AN AUTOROTATION WITH A HIGH RATE OF DESCENT, FORWARD AIRSPEED, WITH THE NOSE PITCHED UP ABOUT 45 DEGREES BEFORE THE HELICOPTER DISAPPEARED BELOW THE TREE LINE. EXAMINATION OF THE CRASH SITE REVEALED THE HELICOPTER COLLIDED WITH TREES IN A DESCENDING LEFT TURN PRIOR TO IMPACTING THE GROUND IN ABOUT A 45-DEGREE NOSE DOWN ATTITUDE, NOSED OVER AND CAME TO REST ON ITS RIGHT SIDE. THE PILOT WAS FATALLY INJURED. CONTRIBUTING TO THE ACCIDENT WAS THE TOTAL LOSS OF ENGINE POWER DUE TO FUEL CONTAMINATION. THE DECEASED PILOT'S SON STATED THE FATHER WOULD ALLOW THE HELICOPTER TO SIT AT THE HOUSE WITHOUT A FULL TANK OF FUEL, AND THAT HIS FATHER WOULD NOT DRAIN THE FUEL SUMP AS A PART OF HIS PREFLIGHT INSPECTION.
NTSB Probable Cause
THE PILOT-IN-COMMAND'S IMPROPER APPLICATION OF COLLECTIVE PITCH DURING AN AUTOROTATIVE LANDING RESULTING IN INSUFFICIENT ROTOR RPM AND IN-FLIGHT COLLISION WITH TREES AND THE TERRAIN. CONTRIBUTING TO THE ACCIDENT WAS THE TOTAL LOSS OF ENGINE POWER DUE TO FUEL CONTAMINATION AND INADEQUATE PREFLIGHT PLANNING/PREPARATION.
Full Narrative
THE PRIVATE PILOT DEPARTED ON A VFR FLIGHT IN VFR CONDITIONS. A WITNESS OBSERVED THE HELICOPTER AT ABOUT 600 FEET AGL DESCENDING IN AN AUTOROTATION WITH A HIGH RATE OF DESCENT, FORWARD AIRSPEED, WITH THE NOSE PITCHED UP ABOUT 45 DEGREES BEFORE THE HELICOPTER DISAPPEARED BELOW THE TREE LINE. EXAMINATION OF THE CRASH SITE REVEALED THE HELICOPTER COLLIDED WITH TREES IN A DESCENDING LEFT TURN PRIOR TO IMPACTING THE GROUND IN ABOUT A 45-DEGREE NOSE DOWN ATTITUDE, NOSED OVER AND CAME TO REST ON ITS RIGHT SIDE. THE PILOT WAS FATALLY INJURED. CONTRIBUTING TO THE ACCIDENT WAS THE TOTAL LOSS OF ENGINE POWER DUE TO FUEL CONTAMINATION. THE DECEASED PILOT'S SON STATED THE FATHER WOULD ALLOW THE HELICOPTER TO SIT AT THE HOUSE WITHOUT A FULL TANK OF FUEL, AND THAT HIS FATHER WOULD NOT DRAIN THE FUEL SUMP AS A PART OF HIS PREFLIGHT INSPECTION.
Flight
Event TypeAccident
Event Time12:04 EDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftHughes 369HS
Tail NumberN9089F
Aircraft CategoryHeli
DamageDestroyed
OperatorRotorcraft Charter
Operating RulePart 91
Engines1
Engine TypeTurboshaft
Engine DetailsAllison · 250-C18C · Turboshaft · 317
Seats4
People & Injuries
Injury Summary1 injury (1 fatality)
Fatal1
Serious0
Minor0
Uninjured0
Total1
Crew 1Age 65 · Second Class
Conditions
ConditionsVMC
LightNr
Wind200° @ 14 kt
Visibility10 sm
CeilingBroken clouds 20000 ft
Altimeter29.00 inHg
Observation Time15:49
Weather SourceWFAC