Final NTSB investigations: Pratt & Whitney PT6A series, 1992
6 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\") = 1992
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") = 1992
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 DEN93FA009Accident · 3 fatalField investigationFinal reportPiper PA-42 · Grand Junction, COImproper IFR procedure and resultant disorientation which resulted in a collision with terrain.NTSB MIA92LA169Accident · No injuriesLimited investigationFinal reportCessna 425 · Greenwood, MSFailure of the pilot-in-command to maintain his descent rate resulting in an undershoot. Contributing to the accident was the chip detector failure due to improper quality control by the manufacturer.NTSB ANC92LA123Accident · No injuriesLimited investigationFinal reportBeech C99 · Nuiqsut, AKThe pilot's improper inflight planning/preparation, and his failure to attain the proper touchdown point. Contributing to the accident was the downdraft.NTSB FTW92DRD04Accident · Minor injuriesFinal reportAir Tractor AT-502 · Mamou, LAThe pilot's failure to maintain proper clearance.NTSB FTW92LA131Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Taft, TXThe pilot of the other airplane delayed compensation for turbulence. A factor was the turbulence.NTSB LAX92LA133Accident · Minor injuriesLimited investigationFinal reportHelio HST-550A · Salome, AZThe pilot's inadequate in-flight planning, improper altitude, and delaying the required remedial action to prevent the collision with the mountain. Contributing to the accident was the unfavorable wind and downdraft conditions.