# NTSB investigations: Lycoming AEIO-540 series, VA

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 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.
- [NTSB ERA22LA238](https://openairdocs.org/ntsb/ERA22LA238.md): MX MXS · Bealeton, VA · Accident · No injuries · Class 4 · Limited · Final report · May 22, 2022 · N104MX · Substantial damage
  > An inflight collision with a bird while conducting low level aerobatics.
- [NTSB NYC07FA007](https://openairdocs.org/ntsb/NYC07FA007.md): Extra Flugzeugbau Gmbh 300 · Culpeper, VA · Accident · 1 fatal · Field investigation · Final report · Oct 14, 2006 · N168EX · Destroyed
  > The pilot’s disorientation while performing an aerobatic maneuver, which resulted in the airplane’s inadvertent impact with the ground. Contributing to the accident was the pilot’s overuse of prescription medication.
- [NTSB NYC04LA004](https://openairdocs.org/ntsb/NYC04LA004.md): Pfeifler Edge-540 · Warrenton, VA · Accident · 1 fatal · Limited investigation · Final report · Oct 7, 2003 · N540SH · Destroyed
  > The pilot's failure to maintain aircraft control while performing aerobatic maneuvers.

## 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" = 'VA' 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 ('41568'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

---
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.