ASN Wikibase Occurrence # 293425
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| Date: | Sunday 9 October 2022 |
| Time: | 10:20 LT |
| Type: | Roaring Eagle |
| Owner/operator: | Private |
| Registration: | N181MY |
| MSN: | MB5137 |
| Year of manufacture: | 2020 |
| Total airframe hrs: | 11 hours |
| Engine model: | Lycoming O-320-E2D |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Cedar County near Stanwood, IA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Stanwood, IA |
| Stanwood, IA | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that he was performing a test flight in the experimental airplane after completing a modification to the pitch control system. While on downwind to land at the private airstrip, the engine lost partial power. During the base to final turn, about 300 ft above ground level, the airplane exceeded its critical angle of attack, which resulted in an aerodynamic stall and loss of airplane control at an altitude too low to allow for recovery. The airplane impacted a cornfield short of the private airstrip and sustained substantial damage to the fuselage and both wings. The pilot reported that there were no preimpact mechanical malfunctions or failures that would have precluded normal operation. The pilot stated that the partial loss of engine power was due to an excessive fuel pressure to the carburetor because he forgot to open a valve that bypassed fuel around the fuel pump that is used for engine priming and starting.
Probable Cause: The pilot's exceedance of the airplane's critical angle of attack in the traffic pattern, which resulted in an aerodynamic stall and loss of airplane control at too low of an altitude to recover. Contributing to the accident was the partial loss of engine power due to improper management of the fuel system.
Accident investigation:
 |
|
Sources:
NTSB CEN23LA009
FAA register: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=181MY
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 10-Oct-2022 03:26 | Geno | Added |
| 11-Oct-2022 18:30 | Captain Adam | Updated [Aircraft type, Registration, Cn, Operator, Phase, Nature, Source, Damage, Narrative] |
| 12-Oct-2022 02:26 | johnwg | Updated [Time, Aircraft type, Departure airport, Destination airport, Source, Narrative, Plane category, Category] |
| 11-Jun-2023 08:07 | ASN Update Bot | Updated [[Time, Aircraft type, Departure airport, Destination airport, Source, Narrative, Plane category, Category]] |
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