# NTSB investigations: Air Tractor AT-301, SD

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 CEN14LA284](https://openairdocs.org/ntsb/CEN14LA284.md): Air Tractor AT-301 · Winner, SD · Accident · No injuries · Limited investigation · Final report · Jun 11, 2014 · N8564S · Substantial damage
  > The pilot's improper decision to attempt a takeoff with a tailwind and his failure to achieve the proper airspeed for liftoff, which resulted in the airplane exceeding its critical angle of attack and entering an aerodynamic stall shortly after liftoff.
- [NTSB CEN13LA375](https://openairdocs.org/ntsb/CEN13LA375.md): Air Tractor AT-301 · Colome, SD · Accident · No injuries · Limited investigation · Final report · Jun 26, 2013 · N3168X · Substantial damage
  > The loss of engine power for reasons that could not be determined because a postaccident engine run revealed no anomalies that would have precluded normal operation.
- [NTSB CHI08CA245](https://openairdocs.org/ntsb/CHI08CA245.md): Air Tractor 301 · Herreid, SD · Accident · No injuries · Data collection · Final report · Aug 5, 2008 · N3161A · Substantial damage
  > Failure of one of the tailwheel bolts on landing and the pilot's subsequent inability to maintain directional control.
- [NTSB CHI99LA193](https://openairdocs.org/ntsb/CHI99LA193.md): Air Tractor AT-301 · Veblen, SD · Accident · Minor injuries · Limited investigation · Final report · Jun 24, 1999 · N3159M · Substantial damage
  > was the pilot not maintaining clearance from terrain. A factor was the pilot not performing a load jettison.
- [NTSB CHI98LA217](https://openairdocs.org/ntsb/CHI98LA217.md): Air Tractor AT-301 · Ipswich, SD · Accident · No injuries · Limited investigation · Final report · Jun 25, 1998 · N31677 · Substantial damage
  > the pilot's inadequate evaluation of the weather conditions and his failure to maintain aircraft control which resulted in a stall/mush. Factors associated with the accident were the tailwind condition and the soft terrain.
- [NTSB CHI97LA124](https://openairdocs.org/ntsb/CHI97LA124.md): Air Tractor AT-301 · Huron, SD · Accident · No injuries · Limited investigation · Final report · May 7, 1997 · N23640 · Substantial damage
  > The pilot's failure to maintain clearance from known transmission lines.
- [NTSB CHI95LA158](https://openairdocs.org/ntsb/CHI95LA158.md): Air Tractor AT301 · Clark, SD · Accident · No injuries · Limited investigation · Final report · May 24, 1995 · N4353S · Substantial damage
  > the failure of the pilot to refuel prior to fuel exhaustion. A factor in the accident was the pilot's excessive braking.

## 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" = 'SD' 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=SD

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