NTSB investigations: Air Tractor AT-401, TX
18 cases on aircraft the registry lists as Air Tractor AT-401. 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
| 1992 | 1 |
|---|---|
| 1995 | 3 |
| 1996 | 2 |
| 1999 | 1 |
| 2000 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 2 |
| 2008 | 1 |
| 2010 | 1 |
| 2013 | 2 |
Where
Latest 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 c.\"eventStateOrRegion\" = 'TX' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0390204', '0390209'))
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 c."eventStateOrRegion" = 'TX' AND c."eventCountry" = 'USA'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0390204', '0390209'))
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 WPR14CA002Accident · No injuriesData collectionFinal reportAir Tractor AT 401 · Waco, TXThe pilot’s failure to maintain directional control during the takeoff in gusting wind conditions.NTSB CEN13LA152Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Victoria, TXThe mechanical failure of the engine power section, which resulted in a loss of engine power.NTSB CEN10LA503Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Castroville, TXA loss of engine power due to the failure of the torque sensor bearing.NTSB DFW08CA146Accident · No injuriesData collectionFinal reportAir Tractor 401-0860 · Mumford, TXA total loss of engine power for undetermined reasons.NTSB DFW06CA152Accident · No injuriesData collectionFinal reportAir Tractor AT-401 · Victoria, TXThe pilot's delay in aborting the takeoff which resulted in an overrun. A contributing factor was the unfavorable wind.NTSB DFW06CA149Accident · No injuriesData collectionFinal reportAir Tractor AT-401 · Garden City, TXThe pilot's improper in-flight planning resulting in the loss of engine power due to fuel exhaustion. A contributing factor was the lack of suitable terrain for the forced landing.NTSB DFW05IA222Incident · No injuriesIncident investigationFinal reportAir Tractor AT-401 · Winnie, TXThe loss of engine power due to the failure of the second-stage turbine wheel as a result of low cycle fatigue.NTSB FTW04LA130Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · San Angelo, TXThe loss of engine power for undetermined reasons. A contributing factor was the soft terrain encountered during the aborted takeoff.NTSB FTW03LA084Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-401 · Alamo, TXThe pilot's failure to maintain airspeed which resulted in a stall. Low altitude flight is a contributing factor.NTSB FTW02LA245Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Hearne, TXThe pilot's failure to maintain clearance with a pump rig while maneuvering during an aerial application flight. A factor was the object.NTSB FTW00LA212Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-401 · Panhandle, TXThe pilot's failure to maintain airspeed, which resulted in a stall.NTSB FTW99LA239Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Hart, TXThe pilot's failure to maintain clearance with power lines.NTSB FTW96LA374Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Brownfield, TXThe pilot's failure to maintain directional control during landing roll. A factor was the crosswind.NTSB FTW96LA370Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Plains, TXfailure of the pilot to maintain control of the airplane, while maneuvering after a swath run, which subsequently resulted in a collision with the terrain. A factor relating to the accident was: the adverse wind condition (gusty wind and possible windshear).NTSB FTW95LA358Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Taft, TXThe pilot's diverted attention, which resulted in his failure to assure that clearance was maintained from the transmission line.NTSB FTW95LA256Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Hearne, TXThe loss of engine power as result of the failure of the number two cylinder. Factors were the unsuitable terrain available for the forced landing and the pilot's restricted vision due to oil on the windshield.NTSB FTW95LA241Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Denver City, TXThe loss of engine power due to a fracture of the #3 cylinder resulting in the total failure of the cylinder. A factor was the lack of suitable terrain for the forced landing.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.