# NTSB investigations: Air Tractor AT-502: Runway excursion

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 CEN22LA389](https://openairdocs.org/ntsb/CEN22LA389.md): Air Tractor AT502 · Appleton, MN · Accident · No injuries · Class 4 · Limited · Final report · Aug 10, 2022 · N73194 · Substantial damage
  > The pilot’s failure to maintain directional control during the takeoff roll with a quartering tailwind.
- [NTSB CEN14LA349](https://openairdocs.org/ntsb/CEN14LA349.md): Air Tractor AT-502 · Carthage, IL · Accident · Minor injuries · Limited investigation · Final report · Jul 7, 2014 · N9185G · Substantial damage
  > The airplane’s inability to climb out of ground effect, which resulted from the pilot using a lower power setting than needed for takeoff due to the mechanic’s installation of the wrong engine torque gauge.
- [NTSB ERA14CA030](https://openairdocs.org/ntsb/ERA14CA030.md): Air Tractor AT 502 · Charleston, MS · Accident · No injuries · Data collection · Final report · Oct 21, 2013 · N1022N · Substantial damage
  > The pilot's failure to maintain directional control, which resulted in a runway excursion and collision with a fence.
- [NTSB CEN12CA375](https://openairdocs.org/ntsb/CEN12CA375.md): Air Tractor AT-502 · Ipswich, SD · Accident · No injuries · Data collection · Final report · Jun 15, 2012 · N45379 · Substantial damage
  > The pilot's failure to abort the takeoff, which resulted in a runway excursion.
- [NTSB ERA09CA428](https://openairdocs.org/ntsb/ERA09CA428.md): Air Tractor AT502 · Dundee, MS · Accident · Minor injuries · Data collection · Final report · Jul 29, 2009 · N502AJ · Substantial damage
  > The pilot's failure to maintain aircraft control during takeoff.
- [NTSB CEN09CA323](https://openairdocs.org/ntsb/CEN09CA323.md): Air Tractor AT-502 · Mendota, IL · Accident · Minor injuries · Data collection · Final report · May 29, 2009 · N198LA · Substantial damage
  > The pilot's inadequate preflight planning and preparation and his failure to perform an aborted 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 ('0390303')
    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" = '300' 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/300/sequence?model=0390303

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