ASN Wikibase Occurrence # 356566
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| Date: | Wednesday 16 October 1996 |
| Time: | 17:00 LT |
| Type: |  Bell 206B-3 |
| Owner/operator: | Bighorn Airways |
| Registration: | N2762G |
| MSN: | 2707 |
| Total airframe hrs: | 4350 hours |
| Engine model: | Allison 250-C20B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Casper, WY -
 United States of America
|
| Phase: | En route |
| Nature: | Ferry/positioning |
| Departure airport: | Rock Springs, WY (RKS |
| Sheridan, WY (KSHR) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot stated that the helicopter's engine flamed out, and he made an autorotation to a county road. During a slide-on landing, the right skid gear broke, and the helicopter rolled over on its right side. The pilot noted that he did not recall an audio warning, and the rpm had bled down before landing. He stated that he had made two earlier precautionary landings during the flight, due to the flight being conducted in visible precipitation. In both instances, he stated that he found no evidence of ice or snow buildup in the intake system. The engine was later removed and tested in a test cell, where it functioned normally. Sufficient fuel was found on board the helicopter. FAA inspectors noted that the loss of power occurred at an airspeed and altitude that may have precluded a successful forced landing.
Probable Cause: loss of power for undetermined reason(s). A factor relating to the accident was: the pilot was operating outside height/velocity curve parameters, when the loss of power occurred.
Accident investigation:
 |
|
Sources:
NTSB SEA97LA015
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Mar-2024 08:33 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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