NTSB investigations: Air Tractor AT-401, CA

7 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

19902026
NTSB investigations: Air Tractor AT-401, CA per year, 1990–2026: 7 cases
19902
19911
19961
20001
20051
20071

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\" = 'CA' 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.

NTSB LAX08CA034Accident · Serious injuriesData collectionFinal reportAir Tractor AT-401 · Soledad, CAThe pilot's failure to maintain an adequate clearance from mountainous terrain while maneuvering during an aerial application mission. Contributing to the accident was the pilot's diverted attention inside the cockpit.Dec 6, 2007 · N6024M · DestroyedNTSB LAX05LA085Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Calexico, CAa loss of directional control due to a jammed rudder pedal, which prevented the pilot from exercising full rudder control authority.Feb 4, 2005 · N4530L · Substantial damageNTSB LAX00LA271Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Ripley, CAA loss of engine power due to the separation of a connecting rod from the crankshaft.Jul 13, 2000 · N4508Y · Substantial damageNTSB LAX97LA045Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Calexico, CAthe pilot's premature lift-off from the runway and his failure to attain adequate airspeed.Nov 9, 1996 · N1014N · 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 · DestroyedNTSB LAX90DXQ03Accident · Minor injuriesFinal reportAir Tractor AT-401 · Tule Lake, CAAn engine failure due to mechanical failure of the distributor.Aug 4, 1990 · N45116 · Substantial damageNTSB LAX90DVA07Accident · 1 fatalFinal reportAir Tractor AT-401 · San Joaquin, CAThe failure of the no. 4 cylinder head.Jul 26, 1990 · N7315S · Substantial damage