# NTSB investigations: Lycoming AEIO-540 series, 2025

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 WPR26LA026](https://openairdocs.org/ntsb/WPR26LA026.md): Extra Flugzeugbau EA 300/L · Arlington, WA · Accident · No injuries · Class 3 · Limited · Preliminary report · Oct 14, 2025 · N300EX · Substantial damage
  > On October 14, 2025, at about 1030 Pacific daylight time, an EXTRA FLUGZEUGBAU GMBH 300L, N300EX, was substantially damaged when it was involved in an accident near Arlington, Washington. The flight instructor and private pilot receiving instruction were…
- [NTSB ERA25FA231](https://openairdocs.org/ntsb/ERA25FA231.md): Pitts S2 · Broadway, NC · Accident · 2 fatal · Class 3 · Field · Preliminary report · Jun 20, 2025 · N79AV · Substantial damage
  > On June 20, 2025, at 0900 eastern daylight time, a Pitts Aerobatics S-2B, N79AV, was destroyed when it was involved in an accident near Broadway, North Carolina. The private pilot and the commercial pilot-rated passenger were fatally injured. The airplane was…
- [NTSB ERA25FA185](https://openairdocs.org/ntsb/ERA25FA185.md): MX Aircraft Tech PTY MXS · Hampton, VA · Accident · 1 fatal · Class 3 · Field · Final report · Apr 24, 2025 · N530RH · Substantial damage
  > A counterweight plug that loosened during the accident flight, jammed the elevator, and resulted in loss of control during landing.

## 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 year(c."eventDate") = 2025
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41568'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41568&year=2025

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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.
