ASN Wikibase Occurrence # 375510
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| Date: | Monday 3 March 1986 |
| Time: | 11:22 LT |
| Type: |  Bell 214B-1 |
| Owner/operator: | Rocky Mountain Helicopters,inc |
| Registration: | N114RM |
| MSN: | 28021 |
| Total airframe hrs: | 6709 hours |
| Engine model: | LYCOMING T5508D |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Bullard, GA -
 United States of America
|
| Phase: | Taxi |
| Nature: | Unknown |
| Departure airport: | Bullard, GA |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A HELICOPTER INVOLVED IN A LOGGING OPERATION WAS IN PROCESS OF LIFTING A LOG WHEN CREW REPORTED A 'LOUD EXPLOSION' AND A LOSS OF POWER WAS EXPERIENCED. AN AUTOROTATIVE LANDING WAS ACCOMPLISHED AND A SMALL ENGINE FIRE WAS EXTINGUISHED. THE 1ST STAGE TURBINE DISC HAD SEPARATED AND WAS UNCONTAINED. DEBRIS HAD DAMAGED THE MAIN ROTOR BLADES AND COWLING DURING ITS DEPARTURE FROM THE HELICOPTER. EVIDENCE OF A THREAD LURE WAS REPORTED ON THE MALE AND FEMALE THREADS FOR THE DISC BOLTS. THIS IS THE SECOND REPORTED IGT TURBINE DISC FAILURE ON THIS ENGINE, BOTH WERE BEING OPERATED BY THIS COMPANY AT THE TIME.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB ATL86FA084
History of this aircraft
Other occurrences involving this aircraft
| 22 June 2001 | HL9133 | Seoul Airlines International | 0 | Jeju island |  |
w/o |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Mar-2024 20:43 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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