# NTSB investigations, OK: Part(s) separation from AC

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 CEN17LA235](https://openairdocs.org/ntsb/CEN17LA235.md): Cessna 182A · Buffalo, OK · Accident · No injuries · Limited investigation · Final report · Jun 17, 2017 · N6196B · Substantial damage
  > The separation of the nose wheel axle bolt and the nose wheel during the landing roll for reasons that could not be determined because the bolt was not recovered.
- [NTSB CEN16LA184](https://openairdocs.org/ntsb/CEN16LA184.md): Cessna 150F · Ponca City, OK · Accident · Serious injuries · Limited investigation · Final report · May 1, 2016 · N8619G · Substantial damage
  > Maintenance personnel's improper installation of the elevator bolt, which resulted in a loss of elevator control during landing.
- [NTSB CEN15LA379](https://openairdocs.org/ntsb/CEN15LA379.md): Robinson Helicopter R44 II · Ketchum, OK · Accident · Minor injuries · Limited investigation · Final report · Aug 25, 2015 · N444KD · Substantial damage
  > The separation of the tail rotor gearbox from the tailboom aft bulkhead due to overstress loads imposed by a blade imbalance from an in-flight impact with an undetermined object.
- [NTSB CEN10LA241](https://openairdocs.org/ntsb/CEN10LA241.md): Hager Clinton Ray Vans RV-8 · Prague, OK · Accident · Minor injuries · Limited investigation · Final report · May 6, 2010 · N127TT · Substantial damage
  > The in-flight separation of a propeller blade for undetermined reasons.
- [NTSB CEN09LA197](https://openairdocs.org/ntsb/CEN09LA197.md): Neland Richard L Daytona SU · Guymon, OK · Accident · No injuries · Limited investigation · Final report · Feb 26, 2009 · N170DN · Substantial damage
  > Failure of the left main landing gear shock/strut during takeoff for undetermined reasons.

## 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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '338')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/338/cases?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.