ASN Wikibase Occurrence # 375392
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| Date: | Wednesday 26 March 1986 |
| Time: | 13:25 LT |
| Type: |  Bell 206BIII |
| Owner/operator: | Petrolium Helicopters, Inc |
| Registration: | N3181Y |
| MSN: | 3772 |
| Year of manufacture: | 1983 |
| Total airframe hrs: | 2931 hours |
| Engine model: | Allison 250C20B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Gulf Of Mexico, -
 United States of America
|
| Phase: | En route |
| Nature: | Ferry/positioning |
| Departure airport: | St-172, GM |
| St-26, GM | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT FAILED TO ASSURE THE CABIN DOOR WAS PROPERLY CLOSED BEFORE FLIGHT, OR THE CABIN DOOR JUST POPPED OPEN DURING FLIGHT, ALLOWING AN UNSECURED LIFE VEST TO BLOW OUT THE DOOR AND INTO THE TAIL ROTOR BLADES. THIS RESULTED IN THE ENTIRE TAIL ROTOR ASSEMBLY DEPARTING THE HELICOPTER. A SUCCESSFUL EMERGENCY AUTOROTATION INTO THE WATER WAS CONDUCTED WITHOUT FURTHER INCIDENT. POST ACCIDENT EXAMINATION REVEALED NORMAL OPERATION OF THE CABIN DOOR.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB FTW86LA047
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Mar-2024 19:29 | ASN Update Bot | Added |
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