ASN Wikibase Occurrence # 241162
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| Date: | Thursday 10 September 2020 |
| Time: | 16:00 |
| Type: |  Quad City Challenger II ELSA |
| Owner/operator: | Private |
| Registration: | N56906 |
| MSN: | CH2-0901-2134 |
| Year of manufacture: | 2004 |
| Engine model: | Rotax 582 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | near West Wind Airpark (TN64), Sweetwater, TN -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | Westwind Airpark, TN (TN64) |
| Westwind Airpark, TN (TN64) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
On September 10, 2020, at 1600 eastern daylight time, an experimental Quad City Challenger II light sport airplane, N56906, was substantially damaged when it was involved in an accident near Sweetwater, Tennessee. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations (CFR) Part 91 personal flight.
Despite being told by the airplane owner that he could taxi, but not fly, the airplane, the pilot conducted a high-speed taxi and took off. About 250 to 300 ft above ground level, the airplane suddenly nosed over. The owner, who witnessed the takeoff, stated that the engine was not seized, and the propeller was still spinning when the airplane disappeared behind trees.
Examination revealed no anomalies with the airframe or engine that would have precluded normal operation, and damage signatures and witness accounts indicated that the engine was producing power at the time of the accident.
Toxicology testing detected THC-COOH, the inactive metabolite of THC, in the pilot’s liver and lung tissue. Gabapentin, promethazine, norchlorcyclizine, duloxetine, citalopram, its metabolite n-desmethylcitalopram, and trazodone were detected in the pilot’s liver tissue; except for trazodone, these compounds were also detected in the pilot’s muscle tissue.
Since only the inactive metabolite of THC was detected, it is unlikely that the effects from the pilot’s use of cannabis were a factor in this accident. Autopsy findings did not show evidence of any potentially sudden incapacitating event. Thus, it is unlikely that the pilot’s medical conditions or his use of detected prescription medications contributed to the accident.
Although the circumstances of the accident are consistent with a loss of control, the reason for the loss of control could not be determined based on the available information.
Probable Cause: A loss of control for reasons that could not be determined based on the available information.
Accident investigation:
 |
|
Sources:
https://www.wkrn.com/news/tennessee-news/ntsb-faa-investigating-mcminn-county-plane-crash/
84.5452097!3m4!1s0x885e6c1ecd48992d:0x586c24b1d38abf31!8m2!3d35.5477506!4d-84.5274219
FAA
NTSB
Location
Images:
Photo: NTSB
Media:
NTSB investigating the 9/10/20 crash of a Quad City Challenger II ELSA airplane in Niota, TN. NTSB is not traveling to the scene of the crash at this time.
— NTSB_Newsroom (@NTSB_Newsroom) September 10, 2020
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 11-Sep-2020 02:51 | Captain Adam | Added |
| 11-Sep-2020 17:31 | Captain Adam | Updated [Time, Registration, Cn, Operator, Nature, Source, Embed code, Damage, Narrative] |
| 12-Sep-2020 05:56 | Anon. | Updated [Time, Departure airport, Source] |
| 05-Oct-2022 20:27 | Captain Adam | Updated [Time, Location, Phase, Departure airport, Destination airport, Source, Narrative, Category, Accident report, Photo] |
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