NTSB investigations: Pratt & Whitney PT6A series, AR
7 cases on aircraft whose registry engine model is Pratt & Whitney PT6A series, where the first occurrence was “In flight collision with object”. 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
| 1994 | 2 |
|---|---|
| 2000 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2005 | 1 |
| 2006 | 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.\"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')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 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."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')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 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 DFW06CA182Accident · No injuriesData collectionFinal reportAir Tractor AT-502B · Marvell, ARThe pilot's failure to maintain clearance with terrain during takeoff.NTSB DFW05CA079Accident · No injuriesData collectionFinal reportAir Tractor AT-402 · Dumas, ARThe pilot's failure to maintain clearance from the power lines.NTSB CHI03LA273Accident · Minor injuriesLimited investigationFinal reportAyres S2R-T660 · Blytheville, ARThe pilot's inadequate visual lookout and altitude/clearance not being maintained from the transmission wires. A factor to the accident was the transmission wires.NTSB FTW02LA116Accident · No injuriesLimited investigationFinal reportAir Tractor 502B · Palestine, ARthe pilot's failure to maintain clearance with the power line while maneuvering during an aerial application flight.NTSB FTW00LA232Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502 · Helena, ARthe pilot's failure to maintain obstacle clearance. A contributing factor was the sun glare.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.