# N489W: 1931 Stearman 4CM-1

- Status: Valid registration
- Airframe: [Stearman 4CM-1](https://openairdocs.org/model/stearman-4cm-1) (registry code 8561412, 1 seats)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: 4037
- Year built: 1931
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: October 7, 1998
- Certificate issued: October 24, 2016
- Expires: October 31, 2029
- Mode S code: A60BFC
- Registered owner: [Delta Tango Corp](https://openairdocs.org/faa-owner/DELTA%20TANGO%20CORP)
- Location: [Spokane, WA](https://openairdocs.org/faa-place/WA/Spokane)
- Owner type: Corporation
- Owner's area on the map: 47.6296° N, 117.4032° W: Placed by OpenAirDocs at the center of ZIP code 99203, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=489W
- Page: https://openairdocs.org/aircraft/N489W

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 (Stearman 4CM-1)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N489W.

## FAA accident and incident reports

None matched to N489W.

## 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 Stearman 4CM-1 aircraft: https://openairdocs.org/model/stearman-4cm-1/aircraft.md
- The Pratt & Whitney R1340 series engine: https://openairdocs.org/engine/pratt-whitney-r1340-series.md

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