# N504RG: 1972 Aero Commander S2R

- Status: Valid registration
- Airframe: [Aero Commander S2R](https://openairdocs.org/model/aero-commander-s2r) (registry code 0143022, 1 seats)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: 1634R
- Year built: 1972
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: April 11, 1972
- Certificate issued: March 25, 2010
- Expires: November 30, 2029
- Mode S code: A64A4A
- Registered owner: [Gustin Aviation](https://openairdocs.org/faa-owner/GUSTIN%20AVIATION)
- Location: [Lewiston, ID](https://openairdocs.org/faa-place/ID/Lewiston)
- Owner type: Corporation
- Owner's area on the map: 46.2517° N, 116.9250° W: Placed by OpenAirDocs at the center of ZIP code 83501, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=504RG
- Page: https://openairdocs.org/aircraft/N504RG

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 (Aero Commander S2R)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N504RG.

## FAA accident and incident reports

None matched to N504RG.

## 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 Aero Commander S2R aircraft: https://openairdocs.org/model/aero-commander-s2r/aircraft.md
- The Pratt & Whitney R1340 series engine: https://openairdocs.org/engine/pratt-whitney-r1340-series.md

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