# NTSB investigations: Air Tractor AT-502B: Off-field or emergency landing NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB CEN26LA128](https://openairdocs.org/ntsb/CEN26LA128.md): Air Tractor AT-502 · Larose, LA · Accident · No injuries · Class 4 · Limited · Final report · Mar 1, 2026 · N5063N · Substantial damage > The pilot’s improper fuel planning and his failure to adequately monitor the fuel level during flight, which resulted in fuel exhaustion, and a total loss of engine power. Contributing to the accident was the pilot’s lack of attention performing the task,… - [NTSB WPR25LA011](https://openairdocs.org/ntsb/WPR25LA011.md): Air Tractor AT502 · Corcoran, CA · Accident · No injuries · Class 4 · Limited · Final report · Oct 8, 2024 · N243LA · Substantial damage > A total loss of engine power due to the pilot's improper manipulation of the condition lever during flight, which resulted in fuel starvation and a forced landing. - [NTSB ERA23LA327](https://openairdocs.org/ntsb/ERA23LA327.md): Air Tractor AT502 · Leipsic, OH · Accident · No injuries · Class 3 · Limited · Final report · Aug 4, 2023 · N5048S · Substantial damage > The incorrect assembly of the turbine engine’s reduction gear box second-stage ring gear, which resulted in an internal failure of multiple engine components and a total loss of power. - [NTSB CEN23LA223](https://openairdocs.org/ntsb/CEN23LA223.md): Air Tractor AT-502B · Lake Village, AR · Accident · No injuries · Class 3 · Limited · Final report · Jun 3, 2023 · N509HB · Substantial damage > A reported loss of thrust for reasons that could not be determined. - [NTSB CEN21LA362](https://openairdocs.org/ntsb/CEN21LA362.md): Air Tractor AT-502B · Topeka, KS · Accident · No injuries · Class 4 · Limited · Final report · Aug 6, 2021 · N502CP · Substantial damage > The pilot’s decision to continue low-level aerial application flight maneuvers after the low fuel warning light illuminated, which resulted in a partial loss of engine power due to fuel exhaustion. - [NTSB CEN20LA279](https://openairdocs.org/ntsb/CEN20LA279.md): Air Tractor AT502 · Dalhart, TX · Accident · No injuries · Class 3 · Limited · Final report · Jul 10, 2020 · N61315 · Substantial damage > The total loss of engine power due to a failed fuel control unit bearing. - [NTSB GAA17CA030](https://openairdocs.org/ntsb/GAA17CA030.md): Air Tractor AT 502 · Paragould, AR · Accident · Minor injuries · Data collection · Final report · Oct 18, 2016 · N4218E · Substantial damage > The pilot's failure to avoid electrical wires during low-altitude maneuvering, which resulted in a wire strike. - [NTSB GAA16CA303](https://openairdocs.org/ntsb/GAA16CA303.md): Air Tractor AT 502 · Nicolaus, CA · Accident · No injuries · Data collection · Final report · Jun 1, 2016 · N5091N · Substantial damage > The pilot's insufficient clearance from a power line during aerial application operations, which resulted in a power line strike, a forced landing on unsuitable terrain, loss of directional control, and collision with terrain. - [NTSB CEN15LA389](https://openairdocs.org/ntsb/CEN15LA389.md): Air Tractor AT 502B · Monroe, NE · Accident · Minor injuries · Limited investigation · Final report · Aug 27, 2015 · N61267 · Substantial damage > Loss of propeller thrust for reasons that could not be determined, since examination of the airplane's engine, propeller, and associated accessories revealed no anomalies. - [NTSB CEN15LA226](https://openairdocs.org/ntsb/CEN15LA226.md): Air Tractor AT 502B · Dighton, KS · Accident · No injuries · Limited investigation · Final report · May 10, 2015 · N879JA · Substantial damage > The pilot's failure to follow the Preflight checklist and his inadequate preflight inspection, during which he failed to detect the water contamination of the fuel, which resulted in a partial loss of engine power during initial climb. - [NTSB WPR14LA267](https://openairdocs.org/ntsb/WPR14LA267.md): Air Tractor AT 502B · Sacramento, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 23, 2014 · N61150 · Substantial damage > The total loss of engine power for reasons that could not be determined because the airplane was not available for postaccident examination. - [NTSB CEN13LA473](https://openairdocs.org/ntsb/CEN13LA473.md): Air Tractor AT-502B · Nauvoo, IL · Accident · No injuries · Limited investigation · Final report · Jul 15, 2013 · N6113C · Substantial damage > A fatigue failure of an engine compressor turbine blade, which resulted in extensive secondary engine damage and a complete loss of engine power. - [NTSB ERA13CA033](https://openairdocs.org/ntsb/ERA13CA033.md): Air Tractor AT-502B · Newton, GA · Accident · No injuries · Data collection · Final report · Oct 20, 2012 · N502PB · Substantial damage > The pilot’s failure to maintain clearance from power lines while maneuvering, which resulted in a hard forced landing. - [NTSB ERA12CA003](https://openairdocs.org/ntsb/ERA12CA003.md): Air Tractor AT-502B · Fort Pierce, FL · Accident · Serious injuries · Data collection · Final report · Oct 4, 2011 · N90805 · Substantial damage > The pilot's delayed decision to abort the takeoff. ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 ('0390307') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '440' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb-events/440/sequence?model=0390307 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.