ASN Wikibase Occurrence # 381892
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| Date: | Thursday 26 May 1983 |
| Time: | 20:00 LT |
| Type: |  Bell 206B |
| Owner/operator: | Beartooth Helicopters |
| Registration: | N16937 |
| MSN: | 2322 |
| Year of manufacture: | 1977 |
| Total airframe hrs: | 3145 hours |
| Engine model: | Allison 250-C20B |
| Fatalities: | Fatalities: 0 / Occupants: 5 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Billings, MT -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | Billings, MT (KBIL) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE HELICOPTER MADE A HARD AUTOROTATIVE LANDING AFTER TAKEOFF FROM AN OFF ARPT LANDING STIE. THE PLT WAS ON A PERSONAL FLT WITH FAMILY AND FRIENDS WHEN A ENGINE FIRE/EXPLOSION FORCED HIM TO LAND. THE FIRE WAS EXTINGUISHED BY THE PLT AFTER LANDING. POST ACCIDENT INVESTIGATION REVEALED THAT THE FAILURE WAS DUE TO ERROR IN THE MANUFACTURE OF THE 1ST STAGE TURBINE WHEEL. ACCORDING TO AN ALLISON SPOKESMAN THE ERROR IN PROPER WEB THICKNESS WAS MADE DURING THE MANUFACTURING PROCESS AND ESCAPED DETECTION.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB DEN83FA122
History of this aircraft
Other occurrences involving this aircraft
| 28 June 2006 | N205LA | Tsr Helicopters Inc. | 0 | Chino Hills, California | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Apr-2024 08:15 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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