# NTSB investigations: Air Tractor AT-502B, OK

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 CEN18FA232](https://openairdocs.org/ntsb/CEN18FA232.md): Air Tractor AT 502B · Enid, OK · Accident · 1 fatal · Class 2 · Field · Final report · Jun 19, 2018 · N2063B · Destroyed
  > The pilot's failure to see and avoid a known obstacle (communications tower) during agricultural spraying operations.
- [NTSB CHI05FA055](https://openairdocs.org/ntsb/CHI05FA055.md): Cessna T-37B · Hollister, OK · Accident · 1 fatal · Field investigation · Final report · Jan 18, 2005 · 66-8003 · 2 aircraft · Destroyed
  > The pilots of the AT-502B and the T-37B failed to maintain adequate visual lookout and did not maintain clearance from the other aircraft. Contributing factors included the lack of a transponder and radios on the AT-502B, and the reduced visibility due to…
- [NTSB FTW03LA141](https://openairdocs.org/ntsb/FTW03LA141.md): Air Tractor AT-502B · Pond Creek, OK · Accident · No injuries · Limited investigation · Final report · Apr 28, 2003 · N60819 · Destroyed
  > The pilot's failure to attain adequate airspeed during liftoff resulting in a stall.
- [NTSB FTW99LA005](https://openairdocs.org/ntsb/FTW99LA005.md): Air Tractor AT-502B · Ringling, OK · Accident · No injuries · Limited investigation · Final report · Oct 8, 1998 · N502S · Substantial damage
  > The pilot's failure to maintain obstacle clearance. A factor was the sun glare which impaired the pilot's vision.
- [NTSB FTW96LA177](https://openairdocs.org/ntsb/FTW96LA177.md): Air Tractor AT-502B · Pond Creek, OK · Accident · No injuries · Limited investigation · Final report · Apr 18, 1996 · N6050D · Substantial damage
  > The pilot's improper planning/decision and failure to obtain/maintain sufficient airspeed to climb after takeoff, which resulted in a stall/mush and subsequent collision with terrain. Factors relating to the accident were: failure of the pilot to follow short…

## 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."eventStateOrRegion" = 'OK' 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 ('0390307'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=0390307&state=OK

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