# NTSB investigations: Franklin 6A4165 series, OK

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 FTW04LA171](https://openairdocs.org/ntsb/FTW04LA171.md): Stinson 108-3 · Tulsa, OK · Accident · Serious injuries · Limited investigation · Final report · Jun 29, 2004 · N6183M · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB FTW89DPJ05](https://openairdocs.org/ntsb/FTW89DPJ05.md): Nord Stampe SV4C · Bartlesville, OK · Accident · No injuries · Final report · Jun 3, 1989 · N47SV · Substantial damage
  > Total failure of the engine connecting rod.
- [NTSB FTW88DPJ05](https://openairdocs.org/ntsb/FTW88DPJ05.md): Stinson 108-3 · Collinsville, OK · Accident · 1 fatal · Final report · Jun 6, 1988 · N4108C · Destroyed
  > The pilot experienced a loss of engine power during the takeoff leg. Post accident investigation revealed that the fuel selector was in the near closed position. This position only allowed a small percentage of the fuel to flow but would allow operation in…
- [NTSB FTW72FPM30](https://openairdocs.org/ntsb/FTW72FPM30.md): Stinson 108-2 · Catoosa, OK · Accident · Serious injuries · Closed · May 12, 1972 · N395C · Substantial damage
- [NTSB FTW72FPM02](https://openairdocs.org/ntsb/FTW72FPM02.md): Bellanca 14-13 · Collinsville, OK · Accident · No injuries · Closed · Jul 10, 1971 · N86754 · Substantial damage
- [NTSB FTW71DPJ39](https://openairdocs.org/ntsb/FTW71DPJ39.md): Stinson 108-3 · Shattuck, OK · Accident · No injuries · Closed · Apr 9, 1971 · N6946M · Substantial damage
- [NTSB UNK64X3822](https://openairdocs.org/ntsb/UNK64X3822.md): Stinson 108-1 · Ardmore, OK · Accident · No injuries · Closed · Sep 6, 1964 · N8149K · 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" = 'OK' 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 ('27025'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27025&state=OK

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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.