# N57NA: 1951 North American AT-6G

- Status: Valid registration
- Airframe: [North American AT-6G](https://openairdocs.org/model/north-american-at-6g) (registry code 6400434, 2 seats)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: 49-3327
- Year built: 1951
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: February 16, 1990
- Certificate issued: July 18, 2008
- Expires: October 31, 2027
- Mode S code: A74D3D
- Registered owner: [Warbird Preservation Foundation](https://openairdocs.org/faa-owner/WARBIRD%20PRESERVATION%20FOUNDATION)
- Location: [Bettendorf, IA](https://openairdocs.org/faa-place/IA/Bettendorf)
- Owner type: Corporation
- Owner's area on the map: 41.5692° N, 90.4715° W: Placed by OpenAirDocs at the center of ZIP code 52722, 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=57NA
- Page: https://openairdocs.org/aircraft/N57NA

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 R1340 model are included.

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

### Matched by airframe (North American AT-6G)

None in force.

### Matched by engine (Pratt & Whitney R1340 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N57NA.

## FAA accident and incident reports

None matched to N57NA.

## 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.

## Earlier aircraft with N57NA

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N57NA before.

- [Cancelled 2005-08-25](https://openairdocs.org/deregistered/N57NA-2005-08-25): Douglas DC3C-S1C3G, S/N 19560. Exported to Canada. Owner: [Basler Turbo Conversions LLC](https://openairdocs.org/faa-owner/BASLER%20TURBO%20CONVERSIONS%20LLC), [Oshkosh, WI](https://openairdocs.org/faa-place/WI/Oshkosh)

## Related

- Other North American AT-6G aircraft: https://openairdocs.org/model/north-american-at-6g/aircraft.md
- The Pratt & Whitney R1340 series engine: https://openairdocs.org/engine/pratt-whitney-r1340-series.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.