# NTSB investigations: Air Tractor AT-301, 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 FTW02LA256](https://openairdocs.org/ntsb/FTW02LA256.md): Air Tractor AT-301 · Altus, OK · Accident · Minor injuries · Limited investigation · Final report · Sep 14, 2002 · N23736 · Substantial damage
  > the pilot's failure to maintain clearance with electrical wires while maneuvering during an aerial application flight.
- [NTSB FTW89DPJ03](https://openairdocs.org/ntsb/FTW89DPJ03.md): Air Tractor 301 · Jefferson, OK · Accident · No injuries · Final report · Apr 7, 1989 · N4369S · Substantial damage
  > Loss of engine power, due to a cracked number 4 cylinder. A factor related to the accident was: the terrace (dirt bank) in the emergency landing area.
- [NTSB FTW87DPJ08](https://openairdocs.org/ntsb/FTW87DPJ08.md): Air Tractor 301A · Hollis, OK · Accident · 1 fatal · Final report · Sep 13, 1987 · N3651D · Destroyed
  > During an aerial application cleanup run, the aircraft's wing collided with a pole and sheared off the outboard five feet. The aircraft then collided with the ground out of control. Exam of the engine and airframe did not disclose any pre-existing failures or…
- [NTSB FTW87DPJ06](https://openairdocs.org/ntsb/FTW87DPJ06.md): Air Tractor AT301 · El Dorado, OK · Accident · No injuries · Final report · Mar 22, 1987 · N3655G · Substantial damage
  > The pilot stated that during takeoff from a county road, black smoke started coming out of the engine exhaust. The aircraft then collided with a tree and a post causing substantial damage. It was found that the carburetor heat system had been modified and the…
- [NTSB FTW87DPJ04](https://openairdocs.org/ntsb/FTW87DPJ04.md): Air Tractor 301 · Oluskee, OK · Accident · No injuries · Final report · Mar 14, 1987 · N8865S · Substantial damage
  > During aerial application the engine sustained a power loss due to separation of the number 9 cylinder head. During the forced landing in rough terrain the aircraft was substantially damaged.
- [NTSB FTW87DPJ02](https://openairdocs.org/ntsb/FTW87DPJ02.md): Air Tractor AT-302 · Colony, OK · Accident · Serious injuries · Final report · Feb 11, 1987 · N8864S · Substantial damage
  > During a downwind swath run the number one compressor bearing failed in the ltp 101-600-1A engine which resulted in the engine failing completely. During an attempt to turn into the wind for an emergency landing the left wing tip struck the ground and the…
- [NTSB FTW87DPJ01](https://openairdocs.org/ntsb/FTW87DPJ01.md): Snow AT-301 · Hennessey, OK · Accident · No injuries · Final report · Nov 1, 1986 · N7309D · Substantial damage
  > The acft collided with a street sign during takeoff. Unablt to maintain flight, the plt landed the acft in a field collapsing the right landing gear.
- [NTSB FTW86FPJ08](https://openairdocs.org/ntsb/FTW86FPJ08.md): Air Tractor AT-301 · Blackwell, OK · Accident · Serious injuries · Final report · Jun 7, 1986 · N23539 · Destroyed
  > The acft crashed after a turn while spraying a field. The acft caught fire after the impact but the plt escaped.
- [NTSB FTW82DA199](https://openairdocs.org/ntsb/FTW82DA199.md): Air Tractor AT 301 · Eakly, OK · Accident · No injuries · Final report · May 29, 1982 · N3653F · Substantial damage
  > The pilot stated that as he pulled up from a swath run the engine started missing. He then elected to attempt a return to his departure airstrip. While turning toward the field the engine started making a loud noise and lost power. During the forced landing…
- [NTSB FTW79DPM24](https://openairdocs.org/ntsb/FTW79DPM24.md): Air Tractor 301 · Bartlesville, OK · Accident · No injuries · Closed · Jul 2, 1978 · N4430S · Substantial damage

## 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 ('0390103', '0390105'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=0390103&state=OK

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