# NTSB investigations: Air Tractor AT-301, ID

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 WPR16LA159](https://openairdocs.org/ntsb/WPR16LA159.md): Air Tractor AT 301 · Weiser, ID · Accident · No injuries · Limited investigation · Final report · Aug 2, 2016 · N23923 · Substantial damage
  > A partial loss of engine power due to an internal catastrophic failure of the master rod crankpin bearing.
- [NTSB SEA98LA079](https://openairdocs.org/ntsb/SEA98LA079.md): Air Tractor AT-301 · Idaho Falls, ID · Accident · No injuries · Limited investigation · Final report · May 19, 1998 · N4326S · Substantial damage
  > The pilot's inadequate inflight decision to land with a tailwind and his failure to maintain aircraft control. Also contributing was the pilot's improper setting of the fuel mixture which resulted in a partial loss of engine power.
- [NTSB SEA95LA154](https://openairdocs.org/ntsb/SEA95LA154.md): Air Tractor AT-301 · Roberts, ID · Accident · No injuries · Limited investigation · Final report · Jul 17, 1995 · N4326S · Substantial damage
  > A loss of engine power due to the separation of the number 3 cylinder exhaust valve rocker arm shaft from the cylinder head, which disabled movement of the exhaust valve. A factor was the lack of suitable terrain for the forced landing.
- [NTSB SEA95LA108](https://openairdocs.org/ntsb/SEA95LA108.md): Air Tractor AT-301A · Terreton, ID · Accident · Minor injuries · Limited investigation · Final report · May 29, 1995 · N31580 · Substantial damage
  > The pilot's failure to maintain an adequate altitude to overcome the downdraft. The downdraft was a factor.
- [NTSB SEA89LA071](https://openairdocs.org/ntsb/SEA89LA071.md): Air Tractor AT-301 · Grangeville, ID · Accident · Minor injuries · Limited investigation · Final report · Apr 17, 1989 · N4340S · Substantial damage
  > A partial power loss due to a blower failure. A factor related to the accident was the soft field condition.
- [NTSB SEA79DYA11](https://openairdocs.org/ntsb/SEA79DYA11.md): Air Tractor AT-301 · Rigby, ID · Accident · Minor injuries · Closed · May 7, 1979 · N4331S · Destroyed
- [NTSB SEA78FYA21](https://openairdocs.org/ntsb/SEA78FYA21.md): Air Tractor AT-300 · Idaho Falls, ID · Accident · 1 fatal · Closed · Aug 11, 1978 · N4331S · 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" = 'ID' 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=ID

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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.
