# N55539: 1940 Republic AT12

- Status: Valid registration
- Airframe: [Republic AT12](https://openairdocs.org/model/republic-at12) (registry code 7570102, 2 seats)
- Engine: [Pratt & Whitney R-1830 series](https://openairdocs.org/engine/pratt-whitney-r-1830-series) (registry code 52020)
- Serial number: 483-38
- Year built: 1940
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: July 26, 1979
- Certificate issued: March 3, 2006
- Expires: January 31, 2030
- Mode S code: A714E1
- Registered owner: [Planes Of Fame Air Museum](https://openairdocs.org/faa-owner/PLANES%20OF%20FAME%20AIR%20MUSEUM)
- Location: [Chino, CA](https://openairdocs.org/faa-place/CA/Chino)
- Owner type: Corporation
- Owner's area on the map: 34.0051° N, 117.6825° W: Placed by OpenAirDocs at the center of ZIP code 91710, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=55539
- Page: https://openairdocs.org/aircraft/N55539

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Pratt & Whitney R-1830 model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Republic AT12)

None in force.

### Matched by engine (Pratt & Whitney R-1830 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N55539.

## FAA accident and incident reports

None matched to N55539.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Republic AT12 aircraft: https://openairdocs.org/model/republic-at12/aircraft.md
- The Pratt & Whitney R-1830 series engine: https://openairdocs.org/engine/pratt-whitney-r-1830-series.md

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