Final NTSB investigations: Pratt & Whitney PT6A series, 1994
7 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
| 1964 | 1 |
|---|---|
| 1969 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1980 | 3 |
| 1981 | 1 |
| 1982 | 2 |
| 1983 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 5 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 3 |
| 1991 | 5 |
| 1992 | 6 |
| 1993 | 2 |
| 1994 | 7 |
| 1995 | 10 |
| 1996 | 9 |
| 1997 | 22 |
| 1998 | 13 |
| 1999 | 13 |
| 2000 | 19 |
| 2001 | 24 |
| 2002 | 27 |
| 2003 | 32 |
| 2004 | 24 |
| 2005 | 24 |
| 2006 | 21 |
| 2007 | 28 |
| 2008 | 20 |
| 2009 | 19 |
| 2010 | 17 |
| 2011 | 23 |
| 2012 | 21 |
| 2013 | 20 |
| 2014 | 19 |
| 2015 | 14 |
| 2016 | 24 |
| 2017 | 19 |
| 2018 | 15 |
| 2019 | 16 |
| 2020 | 18 |
| 2021 | 9 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 16 |
| 2025 | 5 |
| 2026 | 3 |
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 year(c.\"eventDate\") = 1994
AND c.\"completionStatus\" = 'Completed'
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 year(c."eventDate") = 1994
AND c."completionStatus" = 'Completed'
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 MIA95LA040Accident · No injuriesLimited investigationFinal reportCessna 208B · Memphis, TNThe inability of the pilot of Cessna 208, N927FE to see Douglas DC3, N24320, as he taxied to takeoff due to inoperative tail navigation lights and beacon lights on the DC3 and due to glare on the wet taxiway.NTSB FTW94LA257Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-502 · Bosco, LAThe pilot's failure to maintain clearance with the telephone pole.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 CHI94LA147Accident · No injuriesLimited investigationFinal reportAir Tractor AT-402 · Sikeston, MOa fatigue failure of a compressor blade which resulted in a catostrophic engine failure.NTSB FTW94IA139Incident · No injuriesIncident investigationFinal reportBeech 1900C · Cheyenne, WYA partial failure of the leading edge tip portion of one of the left engine propeller blades due to previous impact damage from an unknown source.NTSB FTW94LA119Accident · Serious injuriesLimited investigationFinal reportCessna 208 · Whitewright, TXThe inadvertent stall when too many parachutist hung on the outside of the aircraft.NTSB FTW94LA098Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-502 · Moro, ARThe pilot's failure to maintain clearance of power lines.