# NTSB investigations: Franklin 6A4150 series, 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 WPR21LA289](https://openairdocs.org/ntsb/WPR21LA289.md): Stinson 108-1 · Bozeman, MT · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 25, 2021 · N8844K · Substantial damage
  > The pilot’s failure to maintain directional control during landing which resulted in a ground loop.
- [NTSB SEA96LA095](https://openairdocs.org/ntsb/SEA96LA095.md): Stinson 108-2 · Cut Bank, MT · Accident · No injuries · Limited investigation · Final report · May 19, 1996 · N9808K · Substantial damage
  > the pilot's inadequate compensation for the wind conditions during the landing roll, which resulted in a loss of directional control and an inadvertent ground swerve. Factors relating to the accident were: the unfavorable wind conditions (crosswind and…
- [NTSB SEA74DTI13](https://openairdocs.org/ntsb/SEA74DTI13.md): Stinson 108-2 · Plains, MT · Accident · No injuries · Closed · Nov 9, 1973 · N9610K · Substantial damage
- [NTSB SEA71DDG02](https://openairdocs.org/ntsb/SEA71DDG02.md): Stinson 108-2 · Floweree, MT · Accident · No injuries · Closed · Jul 7, 1970 · N9850K · Substantial damage
- [NTSB SEA66D0288](https://openairdocs.org/ntsb/SEA66D0288.md): Bellanca 14-13 · Boulder, MT · Accident · No injuries · Closed · May 21, 1966 · N86916 · Substantial damage
- [NTSB SEA66D0195](https://openairdocs.org/ntsb/SEA66D0195.md): Bellanca 14-13 · Billings, MT · Accident · No injuries · Closed · Dec 9, 1965 · N86720 · Substantial damage
- [NTSB UNK64X2053](https://openairdocs.org/ntsb/UNK64X2053.md): Stinson 108 · Anaconda, MT · Accident · No injuries · Closed · May 31, 1964 · N8599K · 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.engine_model_code IN ('27024'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27024&state=MT

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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.