NTSB investigations: Air Tractor AT-301, 1999
7 cases on aircraft the registry lists as Air Tractor AT-301. 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
| 1967 | 1 |
|---|---|
| 1976 | 2 |
| 1978 | 4 |
| 1979 | 7 |
| 1980 | 11 |
| 1981 | 11 |
| 1982 | 14 |
| 1983 | 8 |
| 1984 | 6 |
| 1985 | 8 |
| 1986 | 9 |
| 1987 | 15 |
| 1988 | 10 |
| 1989 | 13 |
| 1990 | 5 |
| 1991 | 4 |
| 1992 | 10 |
| 1993 | 6 |
| 1994 | 10 |
| 1995 | 14 |
| 1996 | 6 |
| 1997 | 7 |
| 1998 | 10 |
| 1999 | 7 |
| 2000 | 7 |
| 2001 | 5 |
| 2002 | 7 |
| 2003 | 7 |
| 2004 | 6 |
| 2005 | 1 |
| 2006 | 2 |
| 2007 | 7 |
| 2008 | 8 |
| 2009 | 7 |
| 2010 | 5 |
| 2011 | 7 |
| 2012 | 3 |
| 2013 | 6 |
| 2014 | 4 |
| 2016 | 2 |
| 2018 | 3 |
| 2022 | 3 |
| 2024 | 1 |
| 2025 | 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 year(c.\"eventDate\") = 1999
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0390103', '0390105'))
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") = 1999
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0390103', '0390105'))
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 FTW00LA012Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Olton, TXThe inflight separation of the propeller blade due to damage from a wire strike. A factor was the lack of suitable terrain for the forced landing.NTSB FTW99LA204Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Victoria, TXThe separation of the engine cowling due to a fractured support bracket, which resulted in the cowling striking and bending four engine push rods causing a loss of engine power. A factor was the lack of suitable terrain for the forced landing.NTSB MIA99LA203Accident · No injuriesLimited investigationFinal reportAir Tractor 301 · Drew, MSa loss of engine power due to the failure of cylinder No. 4 boss, which was caused by fatigue cracking, resulting in a forced landing in marshy terrain and subsequent nose over.NTSB CHI99LA193Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Veblen, SDwas the pilot not maintaining clearance from terrain. A factor was the pilot not performing a load jettison.NTSB FTW99LA140Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Brownwood, TXThe failure of the pilot-in-command to use the manufacturer's published checklist and extend the flaps prior to takeoff. A factor was the pilot's fatigued physiological condition as a result of extended flight and ground duty hours.NTSB FTW99LA107Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Garwood, TXThe pilot's inability to maintain directional control of the airplane as result of the failure of the right brake system due to the stripped threads on the eye bolt connecting the brake pedal to the brake master cylinder.NTSB ATL99LA051Accident · No injuriesLimited investigationFinal reportAir Tractor 301 · Finley, TNThe pilot's inadequate compensation for wind and his failure to maintain directional control. A factor was the gusting winds.