# NTSB investigations: Air Tractor AT-301, MN

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 GAA18CA371](https://openairdocs.org/ntsb/GAA18CA371.md): Air Tractor AT 301 · Hutchinson, MN · Accident · No injuries · Data collection · Final report · Jun 20, 2018 · N3169D · Substantial damage
  > The pilot’s improper preflight fuel planning, which resulted in fuel exhaustion and the subsequent total loss of engine power.
- [NTSB GAA16CA399](https://openairdocs.org/ntsb/GAA16CA399.md): Air Tractor AT 301 · Bird Island, MN · Accident · No injuries · Data collection · Final report · Jul 27, 2016 · N7311X · Substantial damage
  > The pilot's diverted attention inside the cockpit and failure to maintain the airplane's altitude while maneuvering at a low altitude, resulting in an impact with terrain.
- [NTSB CHI08CA266](https://openairdocs.org/ntsb/CHI08CA266.md): Air Tractor AT-301A · Jasper, MN · Accident · No injuries · Data collection · Final report · Aug 25, 2008 · N3654T · Substantial damage
  > The pilot's failure to assure the primer control was locked during the aircraft preflight. Factors associated with the accident were the low altitude at which the airplane was operating, the fence, the roadway, and the ditch.
- [NTSB CHI07LA173](https://openairdocs.org/ntsb/CHI07LA173.md): Air Tractor AT-301 · Fergus Falls, MN · Accident · Minor injuries · Limited investigation · Final report · Jun 20, 2007 · N23667 · Substantial damage
  > The propeller blade failure during climb due to a fatigue crack. The oil leak that obstructed the pilot's vision was a factor in the accident.
- [NTSB CHI02LA221](https://openairdocs.org/ntsb/CHI02LA221.md): Air Tractor 301 · Ulen, MN · Accident · Minor injuries · Limited investigation · Final report · Jul 26, 2002 · N3167P · Substantial damage
  > The pilot not performing an aborted takeoff. A factor was the soybean crop.
- [NTSB CHI01LA191](https://openairdocs.org/ntsb/CHI01LA191.md): Air Tractor AT-301 · Grygla, MN · Accident · No injuries · Limited investigation · Final report · Jun 30, 2001 · N3656B · Substantial damage
  > The pilot not maintaining altitude/clearance from terrain on takeoff. A factor was the high density altitude.
- [NTSB CHI95LA219](https://openairdocs.org/ntsb/CHI95LA219.md): Air Tractor AT-301 · Grygla, MN · Accident · No injuries · Limited investigation · Final report · Jul 12, 1995 · N8673S · Substantial damage
  > The pilot's failure to maintain altitude and/or clearance at the beginning of the spray run. A factor was turbulence due to the different Air temperatures of adjoining terrain.
- [NTSB MKC89LA091](https://openairdocs.org/ntsb/MKC89LA091.md): Air Tractor AT-301 · Roseau, MN · Accident · No injuries · Limited investigation · Final report · Apr 15, 1989 · N23702 · Substantial damage
  > Fuel starvation due to fuel ice.
- [NTSB CHI87DER10](https://openairdocs.org/ntsb/CHI87DER10.md): Air Tractor AT-301 · Hollandale, MN · Accident · 1 fatal · Final report · Jul 18, 1987 · N3652N · Substantial damage
  > After making a swath run the aircraft pulled up to clear power lines. Witnesses state that the engine cut out and aircraft pitched nose down and began to rotate. They state that the engine regained power just prior to impact. Subsequent investigation failed…
- [NTSB CHI85LA283](https://openairdocs.org/ntsb/CHI85LA283.md): Air Tractor AT301 · Roseau, MN · Accident · No injuries · Limited investigation · Final report · Jul 10, 1985 · N23702 · Substantial damage
  > The aircraft had been airborne about 15 min engaged in ag spray operations when the pilot described hearing a loud band. Engine power decreased to idle. Pilot ld in soft soil and nosed over inverted. Exam disclosed #2 piston had failed.

## 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" = 'MN' 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=MN

---
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.