# Franklin 4AC-199D3

- Type: Engine model (FAA registry)
- Registry codes: 27028, 27031
- Manufacturer (registry): FRANKLIN
- Model: 4AC-199D3
- Engine type: Reciprocating
- Power: 85 hp
- Data sheet: [TCDS TC 226](https://openairdocs.org/tcds/TC%20226) (OpenAirDocs)
- Holder: Franklin Engine Company
- Installed in: 0 registered aircraft
- Page: https://openairdocs.org/engine/franklin-4ac-199d3

Model codes come from the FAA registry's reference file. The FAA lists this model under more than one registry code, usually for different spellings of the maker. This page covers them all.

## 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.

- [AD 69-09-01](https://openairdocs.org/ad/69-09-01): Eisemann Magnetos · Eisemann Magnetos, 2A4-45-B2, 2A4-49-B2 and 158 more

## Registered aircraft

None registered with this engine model now.

## 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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