NTSB investigations: Pratt & Whitney PT6A series, AR
58 cases on aircraft whose registry engine model is Pratt & Whitney PT6A series. 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, newest first
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.\"eventStateOrRegion\" = 'AR' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52032', '52034'))
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."eventStateOrRegion" = 'AR' AND c."eventCountry" = 'USA'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52032', '52034'))
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 FTW98LA205Accident · No injuriesLimited investigationFinal reportAir Tractor AT-402 · Forrest City, ARThe pilot's failure to maintain clearance with terrain. Factors were the sunglare and the pilot's restriction to visibility due to chemicals on the windshield.NTSB FTW98LA140Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-502B · Lake Village, ARThe pilot's use of unsuitable terrain for takeoff. A factor was the rough/uneven terrain.NTSB FTW98FA100Accident · 1 fatalField investigationFinal reportAir Tractor 502B · Eudora, ARThe pilot's failure to maintain adequate airspeed while attempting an aerobatic manueverNTSB FTW97LA223Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-400A · Black Oak, ARThe loss of engine power due to compressor turbine blade failure. A factor was the lack of suitable terrain for the forced landing.NTSB FTW97LA140Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502 · Watson, ARThe pilot's failure to attain lift off speed and the ground loop/swerve encountered. Factors were the gravel and soft terrain at the end of the runway.NTSB FTW94LA239Accident · No injuriesLimited investigationFinal reportAir Tractor AT-501 · Marianna, ARA premature liftoff. Factors were the tall, wet grass and a tail wind component.NTSB FTW94LA098Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-502 · Moro, ARThe pilot's failure to maintain clearance of power lines.NTSB MKC90LA023Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-502 · Heafer, ARThe intentional swerve by the pilot during the takeoff roll. Contributing to the accident was the rough and soft terrain conditions.