Fatal NTSB investigations: Pratt & Whitney Canada PT6A-34AG
14 cases on aircraft whose registry engine model is Pratt & Whitney Canada PT6A-34AG. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 2014 | 1 |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2018 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
WHERE c.\"highestInjuryLevel\" = 'Fatal'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52251'))
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."highestInjuryLevel" = 'Fatal'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52251'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ANC26FA054Accident · 1 fatalClass 3 · FieldPreliminary reportAir Tractor AT-502B · Forbes, MOOn June 15, 2026, about 2015 Central daylight time, an Air Tractor AT-502B airplane, N503GK, sustained substantial damage when it was involved in an accident near Forbes, Missouri. The pilot was fatally injured. The airplane was operated as a Title 14 Code of…NTSB CEN24FA221Accident · 1 fatalClass 3 · FieldFinal reportAir Tractor AT502 · Whiteface, TXBoth pilot’s failure to see and avoid the other airplane during simultaneous aerial application operations over the same area. Contributing to the accident was the operator’s poor decision to assign the pilots to conduct separate aerial application operations…NTSB CEN23FA412Accident · 1 fatalClass 3 · FieldFinal reportAir Tractor AT-502B · New Rockford, NDThe pilot’s failure to maintain clearance from overhead power lines during an aerial application flight. Contributing to the accident was the pilot’s decision to fly under the power lines with a small area of clearance available for the airplane.NTSB ERA21FA257Accident · 1 fatalClass 3 · FieldFinal reportAir Tractor AT-402B · Kinston, NCThe pilot’s decision to conduct low-level aerobatic maneuvers in an airplane not approved for aerobatic flight, which resulted in an aerodynamic stall and spin, a loss of control, and an impact with terrain.NTSB CEN20LA306Accident · 1 fatalClass 3 · LimitedFinal reportAir Tractor AT502 · Grant, NEThe pilot’s exceedance of the airplane’s critical angle of attack while maneuvering during an agricultural flight, which resulted in an aerodynamic stall and a loss of control at too low of an altitude to recover. Contributing to the accident was the pilot’s…NTSB ERA20LA217Accident · 1 fatalClass 3 · LimitedFinal reportAir Tractor AT502 · Atmore, ALThe pilot’s exceedance of the airplane’s critical angle of attack while maneuvering at low altitude, which resulted in an aerodynamic stall, spin, and loss of control.NTSB CEN18FA339Accident · 1 fatalField investigationFinal reportAir Tractor AT502 · Bronson, MIThe pilot's failure to maintain airspeed while maneuvering, which resulted in exceedance of the airplane's critical angle of attack, an aerodynamic stall, and loss of control at an altitude too low for recovery.NTSB CEN18FA232Accident · 1 fatalClass 2 · FieldFinal reportAir Tractor AT 502B · Enid, OKThe pilot's failure to see and avoid a known obstacle (communications tower) during agricultural spraying operations.NTSB ERA17WA055Accident · 1 fatalForeign investigationAyres S2R · Valparaiso, ChileOn November 23, 2016, about 1410 universal coordinated time, an Ayres S2-R, United States registration N5532G, was destroyed when it impacted mountainous terrain near Paso Internacional Los Libertadores, Chile. The pilot was fatally injured. The flight…NTSB WPR16FA148Accident · 1 fatalField investigationFinal reportAir Tractor AT 502B · Zamora, CAThe failure of both pilots to maintain an adequate visual lookout, which resulted in a midair collision. Also causal was the other pilot's use of two sedating antihistamines and two impairing medication and the effect of sun glare on his visual lookout, which…NTSB CEN16LA154Accident · 1 fatalClass 3 · LimitedFinal reportAir Tractor AT 502 · Kilbourne, LAThe failure of the operator to comply with the terminating action of the airworthiness directive, which resulted in the subsequent failure and separation of the vertical stabilizer due to fatigue.NTSB WPR15LA176Accident · 1 fatalLimited investigationFinal reportAyres S2R T34 · Blythe, CAThe pilot's failure to maintain adequate airspeed while maneuvering, which resulted in the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall.NTSB CEN15LA222Accident · 1 fatalLimited investigationFinal reportAir Tractor AT 502B · Basile, LAThe pilot’ failure to maintain adequate clearance from trees while maneuvering during an aerial application flight.NTSB WPR15LA048Accident · 1 fatalLimited investigationFinal reportAir Tractor AT 502B · Somerton, AZA loss of airplane control for reasons that could not be determined based on available evidence.