ASN Wikibase Occurrence # 368241
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| Date: | Tuesday 8 August 1989 |
| Time: | 10:10 LT |
| Type: |  Bell 206B |
| Owner/operator: | Ptarmigan Helicopters |
| Registration: | N12DY |
| MSN: | 1900 |
| Year of manufacture: | 1976 |
| Total airframe hrs: | 6549 hours |
| Engine model: | Allison 250-C20B |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Georgetown, CO -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Unknown |
| Departure airport: | Evergreen, CO |
| (NONE) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE COMMERCIAL PLT WAS FLYING A CAMERAMAN, WHO WAS FILMING A HIKER AT AN ELEVATION OF ABOUT 13,000 FT IN MOUNTAINOUS TERRAIN. THE PLT REPORTED THAT THE WIND WAS FROM 280 DEG AT 15, GUSTING TO 25 KNOTS. AFTER TURNING DOWNWIND, THE HELICOPTER BEGAN AN UNCOMMANDED RIGHT YAW. THE PLT SAID THAT FULL LEFT PEDAL FAILED TO STOP THE TURN AND HE ATTEMPTED TO LAND. THE HELICOPTER TOUCHED DOWN IN A RIGHT YAW AND THE SKIDS COLLAPSED. SUBSEQUENTLY, THE MAIN ROTOR STRUCK THE GROUND AND THE TAIL ROTOR AND BOTH GEAR BOXES WERE DAMAGED.
Probable Cause: IMPROPER INFLIGHT PLANNING/DECISION BY THE PILOT. THE HIGH DENSITY ALTITUDE, TAIL WIND, GUSTS, AND TERRAIN WERE RELATED FACTORS.
Accident investigation:
 |
|
Sources:
NTSB DEN89LA189
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 23-Mar-2024 16:17 | ASN Update Bot | Added |
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