# NTSB investigations: Ryan NAVION A, 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 FTW92LA072](https://openairdocs.org/ntsb/FTW92LA072.md): Ryan Navion A · Oklahoma City, OK · Accident · Serious injuries · Limited investigation · Final report · Feb 23, 1992 · N39JH · Substantial damage
  > The propeller hydraulic control pitch setting being incorrect for undetermined reasons. A factor in the accident was the pilot's failure to identify and correct the pitch setting as the propeller went to a higher setting.
- [NTSB FTW82FPJ10](https://openairdocs.org/ntsb/FTW82FPJ10.md): Navion A · Chickasha, OK · Accident · 1 fatal · Final report · Jan 2, 1982 · N4876K · Destroyed
  > The aircraft departed from a private airport 2 miles south of Chickasha at 0330. At 0336 power was interrupted on electric power lines southwest of Chickasha. The wreckage was found 6 miles south and 4 and 1/2 miles west of Chickasha a few feet west of a 35…

## 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.aircraft_model_code IN ('6150162'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=6150162&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.