# NTSB investigations: Air Tractor AT-301, MT

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 WPR22LA293](https://openairdocs.org/ntsb/WPR22LA293.md): Air Tractor AT-301 · Circle, MT · Accident · No injuries · Class 4 · Limited · Final report · Aug 7, 2022 · N36542 · Substantial damage
  > The loss of engine power due to carburetor ice. Contributing to the accident was the pilot’s failure to use carburetor heat.
- [NTSB WPR11CA286](https://openairdocs.org/ntsb/WPR11CA286.md): Air Tractor AT301 · Circle, MT · Accident · No injuries · Data collection · Final report · Jun 24, 2011 · N2362D · Substantial damage
  > The pilot's failure to attain and maintain an adequate airspeed during initial climb.
- [NTSB WPR11LA272](https://openairdocs.org/ntsb/WPR11LA272.md): Air Tractor AT-301 · Hogeland, MT · Accident · 1 fatal · Limited investigation · Final report · Jun 21, 2011 · N3661B · Substantial damage
  > Collision with the ground while maneuvering at low altitude for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB SEA00LA148](https://openairdocs.org/ntsb/SEA00LA148.md): Air Tractor AT-301 · Brockway, MT · Accident · Serious injuries · Limited investigation · Final report · Jul 31, 2000 · N4330S · Substantial damage
  > The pilot's failure to maintain clearance from power lines.
- [NTSB SEA95LA161](https://openairdocs.org/ntsb/SEA95LA161.md): Air Tractor AT-301 · Havre, MT · Accident · No injuries · Limited investigation · Final report · Jul 24, 1995 · N3660U · Substantial damage
  > the loss of power due to a failure of the cylinder head exhaust valve rocker box. The tall crop encountered during the forced landing is a factor.
- [NTSB DEN87LA084](https://openairdocs.org/ntsb/DEN87LA084.md): Air Tractor AT-301 · Conrad, MT · Accident · No injuries · Limited investigation · Final report · Apr 5, 1987 · N23069 · Substantial damage
  > An ag plt was returning from an aerial application. Six miles from the destination arpt the engine quit. The plt attempted to land on a road but the acft struck the edge of a pit, spun across the road and came to rest facing 180 degrees from the original…
- [NTSB DEN83LA136](https://openairdocs.org/ntsb/DEN83LA136.md): Air Tractor AT-301 · Conrad, MT · Accident · No injuries · Limited investigation · Final report · Jun 9, 1983 · N23069 · Substantial damage
  > The acft landed hard and collapsed the right main landing gear during a forced landing after fuel exhaustion. During a landing to reload the pilot had handled the herbicide on-loading and a ground crewman was loading the acft fuel. The supply of 80/87 octane…
- [NTSB DEN82DTI13](https://openairdocs.org/ntsb/DEN82DTI13.md): Air Tractor AT-301 · Ruyard, MT · Accident · No injuries · Final report · Jun 2, 1982 · N4403S · Substantial damage
  > The aircraft was refueled prior to takeoff. The pilot reported that the takeoff was normal until about 75 ft off the runway when the engine quit. During a forced landing, the plane touched down in a 3-point attitude, bounced, and then hit the ground in a nose…
- [NTSB DEN82DTI09](https://openairdocs.org/ntsb/DEN82DTI09.md): Air Tractor AT-301 · Greenough, MT · Accident · No injuries · Final report · Jan 3, 1982 · N23069 · Substantial damage
  > During takeoff the aircraft struck a snow berm. The aircraft received substantial damage to both wings and prop. The aircraft had been landed on a county road about a week earlier due to deteriorating weather.
- [NTSB SEA68A0039](https://openairdocs.org/ntsb/SEA68A0039.md): Convair 340T · Great Falls, MT · Accident · Minor injuries · Closed · Nov 1, 1967 · N73120 · 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" = 'MT' 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=MT

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