# NTSB investigations: Lycoming YIO-540 SERIE

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 CEN25FA224](https://openairdocs.org/ntsb/CEN25FA224.md): Vans RV-10 · Capron, IL · Accident · 2 fatal · Class 3 · Field · Preliminary report · Jun 28, 2025 · N847CS · Substantial damage
  > On June 28, 2025, about 0934 central daylight time, a Vans RV-10 airplane, N847CS, was substantially damaged during an accident near Capron, Illinois. The pilot and flight instructor were fatally injured. The airplane was operated as a Title 14 Code of…
- [NTSB ERA24LA335](https://openairdocs.org/ntsb/ERA24LA335.md): Hendrickson Glasair 3 · Oxford, ME · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 3, 2024 · N121CH · Substantial damage
  > A loss of engine power for reasons that could not be determined.
- [NTSB WPR23LA093](https://openairdocs.org/ntsb/WPR23LA093.md): Vans RV10 · Reno, NV · Accident · No injuries · Class 4 · Limited · Final report · Oct 28, 2022 · N673PH · Substantial damage
  > The pilot’s improper flare, which resulted in a hard landing.
- [NTSB CEN22LA334](https://openairdocs.org/ntsb/CEN22LA334.md): Van's RV-10 · Beaver Dam, WI · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 22, 2022 · N4400K · Substantial damage
  > The improperly secured spark plug boot that resulted in smoke in the cockpit and a subsequent off-airport 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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41779'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41779

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