NTSB investigations: Air Tractor AT-401

11 cases on aircraft the registry lists as Air Tractor AT-401, where the first occurrence was “In flight collision with object”. 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

19912026
NTSB investigations: Air Tractor AT-401 per year, 1991–2026: 11 cases
19911
19952
19972
19981
19991
20001
20011
20021
20031

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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0390204', '0390209')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 220))
  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.

NTSB MIA03LA094Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT- 401 · Fellsmere, FLThe poor in-flight planning by the pilot-in-command for his overhsooting the pull-up following a spray pass resulting in the in-flight collision with trees then terrain. Contributing to the accident was sunglare that the pilot encountered during the spray…Apr 8, 2003 · N4549N · DestroyedNTSB 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.Aug 30, 2002 · N9193Y · Substantial damageNTSB CHI01LA195Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Ellinwood, KSThe pilot failed to see and avoid the guy wire during an aerial application flight. A factor associated with the accident was the guy wire.Jul 2, 2001 · N4549E · Substantial damageNTSB SEA00LA073Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Acequia, IDThe pilot's failure to obtain/maintain adequate clearance with the irrigation system during initial climb. A contributing factor was the irrigation pivot.Apr 14, 2000 · N1524H · Substantial damageNTSB FTW99LA239Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Hart, TXThe pilot's failure to maintain clearance with power lines.Aug 25, 1999 · N15119 · Substantial damageNTSB 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…May 20, 1998 · N1009T · Substantial damageNTSB MIA97LA208Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Altha, FLthe pilot's impairment of judgment and performance due to alcohol which led to his failure to maintain control of the airplane.Jul 8, 1997 · N1509C · DestroyedNTSB CHI97LA106Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Highmore, SDa premature lift-off of the airplane by the pilot in command.Apr 18, 1997 · N1008P · Substantial damageNTSB 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.Aug 22, 1995 · N9190Q · DestroyedNTSB MIA95LA180Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Clewiston, FLImproper weather evaluation by the pilot in command while attempting to takeoff with a quartering tailwind associated with a nearby thunderstorm and failure of the pilot to maintain directional control.Jul 10, 1995 · N9186J · Substantial damageNTSB LAX91LA302Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-401 · Calexico, CAThe erection of a construction sign on an active runway by county workers without notifying the airport operators, and, the inability of the pilot to detect the presence of the sign during the dark night takeoff.Jul 10, 1991 · N4538K · Destroyed