# NTSB investigations: Lycoming TIO-540 series, CA

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 WPR22LA163](https://openairdocs.org/ntsb/WPR22LA163.md): Textron T206H · Santa Barbara, CA · Accident · No injuries · Class 3 · Limited · Final report · Apr 21, 2022 · N20617 · Substantial damage
  > The loss of directional control for undetermined reasons. Contributing was the overstress fracture of the nose gear upper trunnion brace attach point.
- [NTSB LAX05FA032](https://openairdocs.org/ntsb/LAX05FA032.md): Piper PA-32R-301T · Santa Barbara, CA · Accident · 3 fatal · Field investigation · Final report · Nov 11, 2004 · N803ZG · Destroyed
  > The pilot's failure to select and maintain an adequate terrain avoidance cruise altitude. Contributing factors were the dark nighttime conditions, the rising mountainous terrain, and the Federal Aviation Administration controller's failure to issue a…

## 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" = 'CA' 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 ('41569', '42500'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41569&state=CA

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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.