# Lycoming R-680-B4B

- Type: Engine model (FAA registry)
- Registry code: 42371
- Manufacturer (registry): LYCOMING
- Model: R-680-B4B
- Engine type: Reciprocating
- Power: 225 hp
- Installed in: 1 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-r-680-b4b

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 (1)

- [N550DH](https://openairdocs.org/aircraft/N550DH): [Osborne Dennis M](https://openairdocs.org/faa-owner/OSBORNE%20DENNIS%20M), [East Petersburg, PA](https://openairdocs.org/faa-place/PA/East%20Petersburg), built 1939, S/N 75-135

## 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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