ASN Wikibase Occurrence # 286253
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| Date: | Tuesday 4 March 2008 |
| Time: | 16:30 LT |
| Type: |  Bell 206L |
| Owner/operator: | Private |
| Registration: | N404EH |
| MSN: | 45114 |
| Year of manufacture: | 1978 |
| Total airframe hrs: | 11589 hours |
| Engine model: | Rolls-Royce 250-C20R12 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Nikolai, Alaska -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Unknown |
| Departure airport: | McGrath Airport, AK (MCG/PAMC) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot was maneuvering the helicopter while his passenger filmed a dogsled race. The pilot reported that he was flying along slowly, and a gust of wind caused a loss of tail rotor effectiveness. He said the helicopter started to turn to the right, and he reduced collective pitch and followed the turn to regain control. During the maneuver he said he was losing altitude and approaching terrain. He said a second gust caused a further loss of tail rotor effectiveness, and as the helicopter rotated the tail rotor struck a tree, and the helicopter impacted the ground. He said there were no preimpact mechanical anomalies with the helicopter prior to the accident. The helicopter was not examined by the NTSB.
Probable Cause: The pilot's inadequate compensation for wind conditions, and an inadvertent loss of tail rotor effectiveness while maneuvering. A factor contributing to the accident was wind gusts.
Accident investigation:
 |
|
Sources:
NTSB ANC08LA040
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Oct-2022 07:53 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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