NTSB investigations: Air Tractor AT-401, 1998
8 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
| 1989 | 2 |
|---|---|
| 1990 | 7 |
| 1991 | 3 |
| 1992 | 2 |
| 1993 | 3 |
| 1994 | 4 |
| 1995 | 6 |
| 1996 | 6 |
| 1997 | 2 |
| 1998 | 8 |
| 1999 | 5 |
| 2000 | 4 |
| 2001 | 6 |
| 2002 | 1 |
| 2003 | 3 |
| 2004 | 2 |
| 2005 | 2 |
| 2006 | 2 |
| 2007 | 2 |
| 2008 | 3 |
| 2010 | 2 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 2 |
| 2015 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 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 year(c.\"eventDate\") = 1998
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 year(c."eventDate") = 1998
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 FTW99FA004Accident · 1 fatalField investigationFinal reportAir Tractor AT-401 · Newellton, LAThe pilot's failure to maintain aircraft control during an inadvertent entry into adverse weather conditions. A related factor was the fog.NTSB CHI98LA355Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · N. Ottawa Twp., MNA loss of engine power due to a worn piston ring. A related factor was the owner exceeded the manufacturer's recommended engine overhaul.NTSB ATL98LA117Accident · No injuriesLimited investigationFinal reportAir Tractor 401 · Holly Bluff, MSThe malfunction of the carburetor which resulted in improper fuel flow to the engine.NTSB MIA98LA228Accident · No injuriesLimited investigationFinal reportAir Tractor AT401 · Ruleville, MSA fire of undetermined origin.NTSB MIA98LA181Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Rich, MSa loss of engine power for an undetermined reason, resulting in a forced landing and subsequent impact with rough terrain.NTSB SEA98LA080Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Idaho Falls, IDThe pilot's failure to maintain clearance from a power transmission line during an aerial application flight. Factors include a power line located just beyond the boundary of the field being sprayed, and the pilot's incorrect judgement of the distance between…NTSB CHI98LA118Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Highmore, SDthe pilot failed to abort the takeoff in a timely manner and could not stop on the runway.NTSB CHI98LA108Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Steele, MOthe pilot failed to maintain an adequate visual lookout. A factor was the pile of gravel in the taxiway.