# American S5-125

- Type: Engine model (FAA registry)
- Registry code: 04001
- Manufacturer (registry): AMERICAN
- Model: S5-125
- Engine type: Reciprocating
- Power: 125 hp
- Data sheet: [TCDS TC 181](https://openairdocs.org/tcds/TC%20181) (OpenAirDocs)
- Holder: American Aircraft Company
- Installed in: 2 registered aircraft
- Page: https://openairdocs.org/engine/american-s5-125

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)

- [N15536](https://openairdocs.org/aircraft/N15536): [California Antique Aircraft Museum](https://openairdocs.org/faa-owner/CALIFORNIA%20ANTIQUE%20AIRCRAFT%20MUSEUM), [San Martin, CA](https://openairdocs.org/faa-place/CA/San%20Martin), built 1938, S/N 28
- [N540LM](https://openairdocs.org/aircraft/N540LM): [Mandel David](https://openairdocs.org/faa-owner/MANDEL%20DAVID), [Jersey City, NJ](https://openairdocs.org/faa-place/NJ/Jersey%20City), built 1999, S/N 197

## NTSB investigations

None matched to aircraft with this engine model.

## FAA accident and incident reports

None matched to aircraft with this engine model.

## STCs that may be installed (OpenAirDocs) (1)

Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC

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