ASN Wikibase Occurrence # 384641
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| Date: | Thursday 15 April 1982 |
| Time: | 10:53 LT |
| Type: |  Aerospatiale SA 315B Lama |
| Owner/operator: | Evergreen Helicopters, Inc. |
| Registration: | N48089 |
| MSN: | 2397 |
| Total airframe hrs: | 3149 hours |
| Engine model: | TURBO MECA ARTOUSTE IIIB |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Thayne, WY -
 United States of America
|
| Phase: | Taxi |
| Nature: | Unknown |
| Departure airport: | Afton, WY |
| Afton, WY | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE HELICOPTER WAS HOVERING TO PICK UP A SLING LOAD WHEN A LOUD BANG WAS HEARD AND THE AIRCRAFT BEGAN TO SPIN COUNTER CLOCKWISE. INVESTIGATION REVEALED THAT THE TAIL ROTOR DRIVE SHAFT HAD BROKEN. "EXAMINATION OF THE SHAFT BREAK DISCLOSED A SMALL FRACTURE REGION TYPICAL OF FATIGUE CRACKING."
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB DEN82DA088
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Apr-2024 13:22 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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