# Lycoming HIO-390-X252

- Type: Engine model (FAA registry)
- Registry code: 42999
- Manufacturer (registry): LYCOMING
- Model: HIO-390-X252
- Engine type: Reciprocating
- Power: 210 hp
- Installed in: 2 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-hio-390-x252

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft (2)

- [N180TH](https://openairdocs.org/aircraft/N180TH): [Enstrom Helicopter Corp](https://openairdocs.org/faa-owner/ENSTROM%20HELICOPTER%20CORP), [Menominee, MI](https://openairdocs.org/faa-place/MI/Menominee), built 2017, S/N 10003
- [N181TH](https://openairdocs.org/aircraft/N181TH): [Enstrom Helicopter Corp](https://openairdocs.org/faa-owner/ENSTROM%20HELICOPTER%20CORP), [Menominee, MI](https://openairdocs.org/faa-place/MI/Menominee), built 2016, S/N 10002

## NTSB investigations

None matched to aircraft with this engine model.

## FAA accident and incident reports

None matched to aircraft with this engine model.

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