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| Date: | Friday 18 November 2022 |
| Time: | c. 1800 UTC |
| Type: |  Air Tractor AT-502XP |
| Owner/operator: | private |
| Registration: | PP-OBL |
| MSN: | 502A-3223 |
| Year of manufacture: | 2019 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Other fatalities: | 0 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | between Sorisso and Sinop -
 Brazil
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Vera-Araçatuba Farm Airstrip, MT |
| Vera-Araçatuba Farm Airstrip, MT | |
| Investigating agency: | CENIPA |
| Confidence Rating: |  Accident investigation report completed and information captured |
The aircraft took off from the agricultural airstrip at the Araçatuba Farm, municipality of Vera, MT, at around 18:00 UTC, for a pesticide application. During a reversal turn to finish the application, the aircraft lost control and crashed into the ground in an area of closed forest.
Contributing factors
- Application of commands - undetermined
Head-on attitudes greater than 30° were used during the upward part of the last reversal curves recorded on the "AG-NAV Guia" by the north-eastern sector of the spray circuit. This characteristic may have contributed to speeds close to stall being reached at the time of the event, which would have reduced the aircraft's margin of control, favouring an inadvertent entry into a spin.
- Pilot judgement - undetermined
The sequential use of speeds close to stall conditions at the top of the north-east sector reversal curves exposed the aircraft to the risks of loss of control in flight. This inadequate assessment of the aircraft's operating parameters may have contributed to the accident.
- Motivation - undetermined
It was considered possible that, in order to increase the efficiency of the operation, it was decided to adopt steeper climbing angles to reduce the time spent on the curves in the north-east sector. This high motivation may have led to inadequate operational performance.
- Perception - undetermined.
It was not possible to determine whether the pilot had realised the inadvertent entry into the screw or had taken action to recover the aircraft
- Decision-making process - undetermined.
It is possible that the decision to use heading attitudes greater than 30° in the north-east sector of the spray circuit contributed to reducing the aircraft's controllability margins.
Accident investigation:
 |
|
Sources:
https://www.sonoticias.com.br/geral/aviao-cai-perto-da-br-163-entre-sorriso-e-sinop-um-morto/
https://radio93fm.com.br/queda-de-aviao-agricola-mata-uma-pessoa-no-nortao/
CENIPA
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Nov-2022 07:24 | gerard57 | Added |
| 19-Nov-2022 08:25 | gerard57 | Updated [Aircraft type, Source, ] |
| 19-Nov-2022 12:48 | TB | Updated [Aircraft type, Registration, Source, Narrative, ] |
| 19-Nov-2022 12:59 | TB | Updated [Registration, Cn, Operator, Source, ] |
| 19-Nov-2022 13:02 | TB | Updated [Source, ] |
| 20-Nov-2022 00:33 | Iceman 29 | Updated [Embed code, ] |
| 02-Aug-2024 06:34 | ASN | Updated [Narrative, Accident report, ] |
Corrections or additions? ... Edit this accident description
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