ASN Wikibase Occurrence # 290514
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| Date: | Saturday 28 June 2014 |
| Time: | 09:22 LT |
| Type: | SkyRaider |
| Owner/operator: | |
| Registration: | UNREG |
| MSN: | Unknown |
| Engine model: | Rotax 503 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Lewiston, Idaho -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Lewiston, ID |
| Lewiston, ID | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The private pilot, who also owned the airplane, was conducting a personal local flight. A witness at the airport observed the airplane taxi by to the east, turn west, rev up the engine as it turned around, sit for a while, and then depart. The witness reported that it was a windy, gusty day and that she did not observe anything unusual as the airplane turned to the east in a climb. She lost sight of the airplane as it went around the traffic pattern and could no longer hear the engine, and then she heard a thud. She did not hear the engine noise change, just the sudden thud. The airplane came to rest inverted in a wheat field with the tail elevated. The forward part of the airplane and the wings sustained aft crush damage and the tail was undamaged. The wreckage and ground scars were confined to the impact area.
Initial examination of the engine revealed no mechanical malfunctions or failures that would have resulted in the a loss of engine power. Although an elevator control rod was found fractured, it exhibited features consistent with overstress. The wreckage was disposed of before a more thorough examination could be conducted. It is likely that the pilot did not maintain adequate airspeed and exceeded the critical angle-of-attack, which resulted in an aerodynamic stall at too low an altitude to recover.
Probable Cause: The pilot's failure to maintain an adequate airspeed and his exceedance of the airplane's critical angle-of-attack, which resulted in an aerodynamic stall at too low an altitude to recover.
Accident investigation:
 |
|
Sources:
NTSB WPR14LA273
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 06-Oct-2022 16:05 | ASN Update Bot | Added |
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