ASN Wikibase Occurrence # 366493
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| Date: | Friday 27 July 1990 |
| Time: | 19:05 LT |
| Type: |  Bell 214 |
| Owner/operator: | Rocky Mountain Helicopters,inc |
| Registration: | N314RM |
| MSN: | 28041 |
| Engine model: | LYCOMING T5508D |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Thompson Falls, MT -
 United States of America
|
| Phase: | En route |
| Nature: | Ferry/positioning |
| Departure airport: | Sandpoint, ID |
| Missoula, MT (KMSO) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE CREW OF THE BELL 214B-1 HELICOPTER ATTEMPTED A FORCED LANDING AFTER THE FAILURE OF THE MAIN DRIVESHAFT ASSEMBLY WHILE THEY WERE IN CRUISE FLIGHT. THE SKIDS DUG INTO SOFT GROUND, CAUSING THE NOSE TO PITCH FORWARD. THE SKIDS LEFT THE AIRFRAME AND THE TAILBOOM WAS STRUCK BY A MAIN ROTOR BLADE. A PINCHED O-RING HAD PERMITTED MOST OF THE LUBRICANT TO BE EVACUATED FROM PART OF THE MAIN DRIVE ASSEMBLY.
Probable Cause: CREW'S ENCOUNTER WITH SOFT TERRAIN WHILE ATTEMPTING AN AUTOROTATION LANDING AFTER THE FAILURE OF THE MAIN ROTOR DRIVE SYSTEM.
Accident investigation:
 |
|
Sources:
NTSB SEA90LA148
History of this aircraft
Other occurrences involving this aircraft
| 6 March 1992 | N314RM | Rocky Mountain Aerologging Inc | 0 | Hobart Bay, AK | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Mar-2024 08:59 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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