NTSB investigations: Pratt & Whitney Canada PT6A-34AG
8 cases on aircraft whose registry engine model is Pratt & Whitney Canada PT6A-34AG, where the defining event was Low altitude operation/event. 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
| 2009 | 1 |
|---|---|
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52251')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '220'))
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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52251')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '220'))
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 CEN25LA274Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT502 · Hastings, NEThe pilot’s failure to maintain clearance from powerlines while maneuvering at low altitude.NTSB GAA25WA281Accident · Serious injuriesClass 4 · ForeignAir Tractor AT-504 · Gizan, Saudi ArabiaNTSB 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 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 GAA19CA502Accident · No injuriesData collectionFinal reportAir Tractor AT502 · Onida, SDThe pilot's failure to maintain clearance from power wires during agricultural application operations.NTSB GAA19CA480Accident · No injuriesData collectionFinal reportAir Tractor AT502 · Waco, NEThe pilot's failure to maintain clearance from wires during an agricultural application flight.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 CEN09CA194Accident · Minor injuriesData collectionFinal reportAir Tractor AT-502B · Harrold, SDThe pilot's failure to maintain clearance from the power lines during his turn to reverse course due to weather. Contributing to the accident was the reduced visibility at the time of the accident.