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| Date: | Saturday 23 July 2022 |
| Time: | 09:12 |
| Type: |  Ayres S2R-T34 Thrush |
| Owner/operator: | Air Aids Inc dba Stokes Flying Service |
| Registration: | N4046S |
| MSN: | T34-266 |
| Year of manufacture: | 1999 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Other fatalities: | 0 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | near Parkin, AR -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Earle, AR |
| Parkin, AR | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
On July 23, 2022, at 0912 central daylight time, an Ayres Corporation S2R-T34, N4046S, was destroyed when it was involved in an accident near Parkin, Arkansas. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 137 aerial application flight.
The pilot had made multiple aerial application flights before the accident flight. Automatic dependent surveillance - broadcast (ADS-B) data showed that the airplane made multiple passes over the field north of the tower, which was located in the field. During the final pass over the field, the airplane turned north toward the western guy wires. The airplane struck the guy wires and impacted the terrain north of the tower.
The operator’s representative stated that the pilot had been briefed about the field’s obstructions, specifically the location of the tower and its guy wires located in the intended field to be sprayed with fungicide. He stated that the pilot had previously flown over the field more than once.
The airplane was destroyed by postcrash fire and impact forces, which prevented confirmation of flight control continuity. The propeller displayed S-shaped bending consistent with power generation. No mechanical anomalies that would have precluded normal airplane operation were noted.
Toxicology testing revealed that the pilot had used cannabis. The psychoactive compounds delta-9-THC and delta-8-THC were detected in his heart blood at low concentrations. THC can decrease vigilance and has effects for several hours. However, because of the fat storage and slow release of THC, low concentrations in blood can reflect use several days ago. How recent or frequent the pilot’s use of cannabis was unknown, as was the type of product. Given these unknowns, while the pilot was found to have cannabis in his system, it could not be determined if the concentration would have been impairing and influenced his vigilance about avoiding the antenna hazard.
Probable Cause: The pilot’s failure to maintain clearance from tower guy wires while maneuvering.
Accident investigation:
 |
|
Sources:
https://www.kait8.com/2022/07/23/one-dead-after-morning-plane-crash/
https://www.kark.com/news/state-news/pilot-killed-in-ark-crop-duster-crash-sheriff-says/
https://data.ntsb.gov/Docket?ProjectID=105562
https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4046S
https://globe.adsbexchange.com/?icao=a4beb8&lat=35.204&lon=-90.552&zoom=14.0&showTrace=2022-07-23×tamp=1658580032
https://photos-e1.flightcdn.com/photos/retriever/3ac96808ea4254d116e2792336f80ca30d8a1694 (photo)
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 23-Jul-2022 21:35 | Geno | Added |
| 25-Jul-2022 05:25 | AgOps | Updated [Time, Aircraft type, Registration, Cn, Operator, Source, Damage, Narrative] |
| 25-Jul-2022 13:47 | johnwg | Updated [Time, Location, Source, Narrative, Category] |
| 25-Jul-2022 14:35 | AgOps | Updated [Source] |
| 25-Aug-2022 21:48 | Captain Adam | Updated [Time, Location, Departure airport, Destination airport, Source, Narrative, Category] |
| 30-May-2024 19:58 | Captain Adam | Updated [Operator, Source, Narrative, Accident report] |
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