NTSB investigations: Air Tractor AT-301, 1991
4 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\") = 1991
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") = 1991
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 ATL91LA128Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Hawkinsville, GAA complete loss of engine power for undetermined reasons. A factor in this accident was: the rough, uneven terrain at the forced landing site.NTSB MIA91LA158Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · High Springs, FLLoss of engine power due to disintegration of the impeller caused by a worn impeller bearing.NTSB MIA91LA144Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Tutwiler, MSFatigue failure of one of the propeller blades resulting in the forced landing. Contributing to the accident was lack of suitable terrain.NTSB ATL91LA059Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Pavo, GAThe failure of the no. 2 exhaust valve and cylinder head, which resulted in a total loss of engine power. A factor in the accident was the collision with a road sign during the forced landing.