ASN Wikibase Occurrence # 40774
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Date: | Friday 26 June 1992 |
Time: | 12:04 LT |
Type: | 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:
|
| |
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 Location
Revision history:
Date/time | Contributor | Updates |
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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