NTSB investigations: Pratt & Whitney PT6A series, OK
11 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 per year
| 1980 | 1 |
|---|---|
| 1995 | 1 |
| 1998 | 1 |
| 2000 | 1 |
| 2003 | 1 |
| 2012 | 1 |
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2024 | 2 |
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.\"eventStateOrRegion\" = 'OK' 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" = 'OK' 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 CEN25LA002Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-402A · Moffett, OKThe tail wheel assembly’s fractured bolt which resulted in the pilot’s loss of directional control during landing.NTSB CEN24LA153Accident · No injuriesClass 4 · LimitedFinal reportBeech B300 · Oklahoma City, OKAn in-flight collision with a bird during the initial climb.NTSB CEN18FA201Accident · 1 fatalField investigationFinal reportAyres S2R · El Reno, OKThe pilot's failure to maintain clearance from tower guy wires while maneuvering during an aerial application flight.NTSB CEN17LA121Accident · No injuriesLimited investigationFinal reportBeech C90A · Rattan, OKThe loss of electrical power due to the pilot’s inadvertent selection of the engine start switches and the subsequent fuel exhaustion to the left engine as the pilot attempted to locate visual meteorological conditions. Contributing to the accident were the…NTSB CEN15LA180Accident · Minor injuriesLimited investigationFinal reportCessna 208B · Verdigris, OKThe fuel pump gear manufacturer’s allowance of set-up gears made from a nonconforming material to be put in the production inventory system, the installation of a nonconforming gear in the accident airplane’s production fuel pump, and the gear’s failure,…NTSB CEN13FA080Accident · Minor injuriesField investigationFinal reportCessna 208B · Bryans Corner, OKThe total loss of engine power as a result of a fractured compressor turbine blade due to fatigue cracking.NTSB FTW03LA141Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502B · Pond Creek, OKThe pilot's failure to attain adequate airspeed during liftoff resulting in a stall.NTSB FTW00FA083Accident · 1 fatalField investigationFinal reportCessna 182M · Mcalester, OKThe failure of both pilots to maintain visual lookout while maneuvering in the traffic pattern.NTSB FTW99LA005Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502B · Ringling, OKThe pilot's failure to maintain obstacle clearance. A factor was the sun glare which impaired the pilot's vision.NTSB FTW95FA129Accident · Minor injuriesField investigationFinal reportCessna 208B · Ardmore, OKThe pilot's continued flight into adverse weather conditions. Factors were the icing conditions prevailing at the destination airport, and the pilot's inability to maintain visual lookout due to windshield icing.NTSB FTW81FPM04Accident · No injuriesClosedBeech E18S · Tulsa, OK