# NTSB investigations: Lycoming IO-540 series, Outside the U.S.: Unknown or undetermined

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 GAA26WA181](https://openairdocs.org/ntsb/GAA26WA181.md): Piper PA-23-250 · Cumayasa, La Romana, Dominican Republic · Incident · No injuries · Class 5 · Foreign · Apr 29, 2026 · N63941 · Substantial damage
- [NTSB ERA15WA355](https://openairdocs.org/ntsb/ERA15WA355.md): Smith AEROSTAR600 · Santa Fé de Antioquia, Colombia · Accident · 2 fatal · Foreign investigation · Sep 11, 2015 · N164HH · Destroyed
- [NTSB ERA14WA148](https://openairdocs.org/ntsb/ERA14WA148.md): Zivko Aeronautics Edge 540T · Al Khor, Qatar · Accident · 1 fatal · Foreign investigation · Mar 7, 2014 · N149WA · Substantial damage
  > On March 17, 2014, about 1725 local time, a Zivko Aeronautics Edge 540T, N149WA, was substantially damaged when it collided with the ground during an airshow performance at Al Khor Airport (OTBK), Al Khor, Qatar. The commercial pilot was fatally injured. The…

## 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."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 ('41530', '41585')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '000'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/000/cases?engine=41530&state=OF

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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.