Accident Hughes 369HS N9089F,
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ASN Wikibase Occurrence # 40774
 
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Date:Friday 26 June 1992
Time:12:04 LT
Type:Silhouette image of generic H500 model; specific model in this crash may look slightly different    
Hughes 369HS
Owner/operator:Rotorcraft Charter, Inc.
Registration: N9089F
MSN: 1010346S
Year of manufacture:1972
Total airframe hrs:7202 hours
Engine model:ALLISON 250-C18C
Fatalities:Fatalities: 1 / Occupants: 1
Aircraft damage: Destroyed
Category:Accident
Location:Labelle, FL -   United States of America
Phase: En route
Nature:Private
Departure airport:
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
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.

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.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: MIA92FA142
Status: Investigation completed
Duration: 1 year and 2 months
Download report: Final report

Sources:

NTSB MIA92FA142

History of this aircraft

Other occurrences involving this aircraft
7 January 1997 N9089F Robert C. Fugate 0 Wellington, CO w/o

Location

Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:23 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
11-Apr-2024 06:14 ASN Update Bot Updated [Time, Operator, Other fatalities, Phase, Source, Narrative, Category, Accident report]

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