ASN Wikibase Occurrence # 298497
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| Date: | Friday 7 September 2001 |
| Time: | 09:30 LT |
| Type: |  Bell 47G |
| Owner/operator: | Mt. Hebron Helicopters |
| Registration: | N6327D |
| MSN: | 828 |
| Year of manufacture: | 1952 |
| Total airframe hrs: | 6743 hours |
| Engine model: | Lycoming V0435 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Berry, AL -
 United States of America
|
| Phase: | Unknown |
| Nature: | Unknown |
| Departure airport: | Fayette, AL (M95) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While maneuvering, at a low altitude, the pilot heard "a pop or a bang outside the helicopter." As the pilot started a left turn, he noticed a "mushiness" in the cyclic control, followed by a loss of left and right cyclic control. The pilot attempted to reach a clearing, but the helicopter went into an uncommanded left turn. When the pilot attempted to slow the helicopter with the collective, the helicopter tilted back to the right, impacted a small tree, touched down on its right skid first, and flipped up on its nose. Examination of the wreckage revealed "ground metal shavings" near the rotor head stabilator damper horn assembly where the control horn attach to the splined shaft.
Probable Cause: The failure of the main rotor system stabilizer damper control horn assembly, resulting in an uncontrolled descent and subsequent collision with a tree and terrain.
Accident investigation:
 |
|
Sources:
NTSB ATL01LA108
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Oct-2022 18:46 | ASN Update Bot | Added |
| 19-Nov-2022 09:28 | Ron Averes | Updated [Location, Narrative] |
Corrections or additions? ... Edit this accident description
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