NTSB investigations: Air Tractor AT-301, 2009
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\") = 2009
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") = 2009
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 CEN09LA602Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301A · New Miner, WIA total loss of engine power due to the fatigue failure of the engine torsion shaft. Contributing to the accident was the chrome plating of the shaft by an undetermined maintenance/overhaul facility.NTSB CEN09CA535Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Leland, ILA total loss of engine power in flight due to a loss of engine oil as a result of the separation of the propeller hub components for undetermined reasons.NTSB CEN09CA514Accident · Minor injuriesData collectionFinal reportAir Tractor AT-301 · DeWitt, ILThe pilot's failure to maintain clearance from the tree during the aerial application maneuver.NTSB WPR09LA374Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Firebaugh, CAA total loss of engine power due to fuel exhaustion that was due to the failure of company ground personnel to refuel the airplane. Contributing to the accident was unsuitable terrain for a forced landing.NTSB ERA09LA385Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-301 · Brinson, GAThe pilot's failure to maintain adequate airspeed while maneuvering, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's lack of experience in the make and model airplane.NTSB CEN09LA239Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Corning, ARA loss of engine power due to the failure of the number one engine cylinder for undetermined reasons.NTSB WPR09LA085Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Beaver, UTA loss of engine power while maneuvering due to a sheared propeller blade's pitch change link. Contributing to the accident was lack of suitable terrain for the forced landing.