# NTSB investigations: Lycoming R680E 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 FTW82DA282](https://openairdocs.org/ntsb/FTW82DA282.md): Boeing A75L300 · Tulsa, OK · Accident · No injuries · Final report · Jun 20, 1982 · N555 · Substantial damage
  > The pilot reported that during a wheel landing, the aircraft began to veer to the right and all efforts to straighten it with rudder failed. As the plane went off the runway. The left wing dropped, striking the runway, and the lower left wing spar broke. The…
- [NTSB FTW70FPJ20](https://openairdocs.org/ntsb/FTW70FPJ20.md): Boeing E75N1 · Chickasha, OK · Accident · No injuries · Closed · May 29, 1970 · N5816N · 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 ('41545'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41545&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.