ASN Wikibase Occurrence # 370349
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| Date: | Thursday 19 August 2004 |
| Time: | 07:05 LT |
| Type: |  Bell 412 |
| Owner/operator: | Petroleum Helicopters Inc. |
| Registration: | N22347 |
| MSN: | 36005 |
| Year of manufacture: | 1994 |
| Total airframe hrs: | 14437 hours |
| Engine model: | Pratt & Whitney Canada PT6-3B |
| Fatalities: | Fatalities: 0 / Occupants: 9 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | South Pass 65, -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Boothville, LA (1B7) |
| VK989, GM | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The 11,750-hour co-pilot heard a "loud bang" followed by a loss of tail rotor control that produced a 30-degree yaw to the right and a 15-20 degree "nose tuck." Subsequently, the co-pilot reduced power and initiated an autorotation to the water, and prior to touchdown, successfully deployed the emergency floats. The reason for the failure and separation of the tail rotor gearbox could not be determined.
Probable Cause: The failure and separation of the tail rotor gearbox for undetermined reasons.
Accident investigation:
 |
|
Sources:
NTSB FTW04IA217
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 25-Mar-2024 09:42 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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