ASN Wikibase Occurrence # 293394
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| Date: | Monday 4 July 2005 |
| Time: | 17:30 LT |
| Type: |  Bell 47G-2A |
| Owner/operator: | Waitsburg Helicopter Service |
| Registration: | N38926 |
| MSN: | N.A.H. 1957-1 |
| Engine model: | Lycoming VO-435-A1F |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Oroville, Washington -
 United States of America
|
| Phase: | Unknown |
| Nature: | Agricultural |
| Departure airport: | Oroville, WA (0S7) |
| (0S7) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot said that he was spraying cherries when the engine suddenly stopped. He attempted an autorotation, but the main rotor impacted cherry trees. The helicopter's main bubble was shattered, and the skids and frame were bent. Postimpact examination of the aircraft, by a Federal Aviation Administration Inspector, revealed that the throttle cable's housing had broken, which permitted the engine's RPM to decay to the idle position.
Probable Cause: The failure of the throttle cable housing, which permitted the engine's RPM to decay to the idle position. Contributing factors were the trees and the lack of suitable terrain for a forced landing.
Accident investigation:
 |
|
Sources:
NTSB SEA05LA138
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 09-Oct-2022 19:34 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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