# NTSB investigations: Lycoming O-540-F1B5, WA

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 GAA19CA509](https://openairdocs.org/ntsb/GAA19CA509.md): Robinson R44 · Cypress Island, WA · Accident · Serious injuries · Data collection · Final report · Aug 21, 2019 · N7186P · Substantial damage
  > The pilot's failure to maintain adequate clearance from a tree while maneuvering at a low altitude.
- [NTSB SEA07FA006](https://openairdocs.org/ntsb/SEA07FA006.md): Robinson R44 · Sumner, WA · Accident · 1 fatal · Field investigation · Final report · Oct 8, 2006 · N769RT · Substantial damage
  > The complete loss of engine power, for undetermined reasons, while on final approach, and the pilot's loss of control of the helicopter after the power loss. Factors include a lake below the final approach to the private landing pad.

## 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" = 'WA' 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 ('42353'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=42353&state=WA

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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.
