NTSB investigations: Air Tractor AT-401B
12 cases on aircraft the registry lists as Air Tractor AT-401B. 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
| 1999 | 2 |
|---|---|
| 2000 | 2 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2009 | 1 |
| 2014 | 2 |
| 2021 | 1 |
| 2023 | 1 |
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 c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0390207'))
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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0390207'))
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 CEN23LA241Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-401B · Holyoke, COThe pilot's failure to maintain directional control during the landing roll.NTSB CEN21LA393Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-401B · Storm Lake, IAThe pilot’s failure to maintain adequate airspeed during a landing approach with a tailwind that resulted in a landing overrun and impact with terrain.NTSB CEN14CA427Accident · Serious injuriesData collectionFinal reportAir Tractor AT 401B · Cimarron, KSThe pilot's failure to maintain clearance from the antenna guy wire during an aerial application pass.NTSB CEN14LA376Accident · 1 fatalLimited investigationFinal reportAir Tractor AT 401B · Ellis, KSThe noninstrument-rated pilot’s inadequate preflight weather planning and subsequent inadvertent encounter with instrument meteorological conditions, which resulted in spatial disorientation and the loss of airplane control. Contributing to the accident was…NTSB CEN09LA503Accident · No injuriesLimited investigationFinal reportAir Tractor AT401 · Waterloo, IAA loss of engine power for undetermined reasons.NTSB ATL04LA173Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-401B · Bainbridge, GAThe pilot's failure to maintain adequate airspeed during an abrupt maneuver which resulted in a stall and collision with the ground.NTSB ATL03LA122Accident · No injuriesLimited investigationFinal reportAir Tractor AT401B · Girard, GAA loss of engine power due to the failure of the internal supercharger blower seals.NTSB CHI02LA206Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401B · Pratt, KSThe pilot's failure to maintain terrain clearance. A factor was low altitude flight.NTSB FTW00LA162Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-401B · Thibodaux, LAThe pilot's failure to maintain clearance with the power lines while maneuvering during an aerial application flight. A factor was the sunglare on the windscreen.NTSB ATL00LA046Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401-B · Lawrenceburg, TNThe loss of engine power due to a stuck exhaust valve that resulted in the collision with a tree while maneuvering for the forced landing.NTSB CHI99LA268Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-401B · Edelstein, ILan inadequate fuel supply which resulted in fuel exhaustion. Factors associated with the accident were the low altitude at which the power loss occurred and the corn crop the airplane contacted.NTSB CHI99LA258Accident · Serious injuriesLimited investigationFinal reportAir Tractor 401B · Mccanna, NDthe inadvertent stall by the pilot.