ASN Wikibase Occurrence # 243678
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Date: | Tuesday 6 October 2020 |
Time: | 08:20 |
Type: | Quicksilver Sport |
Owner/operator: | Private |
Registration: | N2942A |
MSN: | 001 |
Year of manufacture: | 1993 |
Engine model: | Rotax 582 |
Fatalities: | Fatalities: 2 / Occupants: 2 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | NE of Posey Patch Ultralight Flightpark (59II), Mount Vernon, INI -
United States of America
|
Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
Nature: | Private |
Departure airport: | Mount Vernon, IN |
Destination airport: | Mount Vernon, IN |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The sport pilot and pilot-rated passenger were conducting a local flight in the light sport airplane, which was not approved for aerobatic flight. A witness near the accident site saw the airplane exit a loop then spiral toward the ground. The airplane impacted the ground on a southwesterly heading and came to rest about 100 ft from the initial impact point. The flight controls were intact and there were no mechanical malfunctions or anomalies with the airplane that would have precluded normal operation.
Toxicological testing detected memantine in specimens from the pilot, which is used to treat dementia. The pilot's presumed underlying dementia could have influenced some of his decision-making but without more information about the status of his disease, its effect on the safety of his flying could not be determined. Specimens from the pilot-rated passenger detected diphenhydramine, THC, and its metabolites; however, the low levels of each substance were unlikely to have caused impairing effects. Overall, it is unlikely the pilot's presumed dementia, or the pilot-rated passenger's use of multiple substances contributed to the circumstances of this accident.
The circumstances of the accident are consistent with the pilot's decision to perform aerobatic maneuvers in an airplane not approved for aerobatic flight, during which he exceeded the airplane's critical angle of attack, resulting in an aerodynamic stall/spin and loss of control.
Probable Cause: The pilot's exceedance of the airplane's critical angle of attack during an aerobatic maneuver, which resulted in an aerodynamic stall and spin and loss of control. Contributing to the accident was the pilot's decision to perform aerobatic maneuvers in an airplane that was not approved to do so.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | CEN21LA008 |
Status: | Investigation completed |
Duration: | 1 year and 9 months |
Download report: | Final report |
|
Sources:
NTSB CEN21LA008
FAA register:
https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=N2942A Location
Images:
Photos: NTSB
Media:
Revision history:
Date/time | Contributor | Updates |
06-Oct-2020 15:50 |
gerard57 |
Added |
06-Oct-2020 17:14 |
RobertMB |
Updated [Time, Location, Source, Narrative] |
06-Oct-2020 21:55 |
Captain Adam |
Updated [Aircraft type, Location, Phase, Embed code, Narrative] |
07-Oct-2020 11:40 |
RobertMB |
Updated [Registration, Cn, Phase, Source, Embed code, Narrative] |
07-Oct-2020 16:38 |
Geno |
Updated [Aircraft type, Location, Departure airport, Source, Damage, Narrative, Plane category] |
07-Jul-2022 19:09 |
ASN Update Bot |
Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
08-Jul-2022 18:59 |
Captain Adam |
Updated [Time, Other fatalities, Phase, Source, Narrative, Photo] |
08-Jul-2022 19:00 |
Captain Adam |
Updated [Photo] |
08-Jul-2022 19:00 |
Captain Adam |
Updated [Photo] |
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