ASN Wikibase Occurrence # 381300
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| Date: | Friday 29 July 1983 |
| Time: | 13:45 LT |
| Type: |  Hughes 269B |
| Owner/operator: | Private |
| Registration: | N9419F |
| MSN: | 65-0206 |
| Year of manufacture: | 1965 |
| Total airframe hrs: | 2877 hours |
| Engine model: | Lycoming HIO-360-A1A |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Summerville, SC -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Summerville, SC (61J) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE HELICOPTER WAS BEING USED IN CONTROLLED BURNING OF TIMBERLAND. WHILE BEING OPERATED AT AN ALT OF APRX 20 FT OVER WIND ROWS OF ORGANIC MATERIAL, THERE WAS A PARTIAL LOSS OF ENG POWER. THE PLT STATED THAT HE WAS UNABLE TO MAINTAIN A HOVER, SO HE LANDED ON THE ROUGH TERRAIN. AFTER TOUCHDOWN, THE HELICOPTER ROLLED OVER & THE MAIN ROTOR BLADES CONTACTED THE GROUND, DURING AN EXAM OF THE ENG, ALL 8 SPARK PLUGS WERE FOUND WITH EVIDENCE OF LEAD FOULING. IN THE #4 CYLINDER, THE ELECTRODES OF THE BOTTOM PLUG WAS COMPLETELY BRIDGED WITH LEAD. THE PLT STATED THAT THE TOP PLUG IN THAT CYLINDER WAS DIRTY WITH CARBON.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB ATL83LA297
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Apr-2024 01:57 | ASN Update Bot | Added |
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