# N31H: 1929 Saint Louis CARDINAL C2

- Status: Valid registration
- Airframe: [Saint Louis CARDINAL C2](https://openairdocs.org/model/saint-louis-cardinal-c2) (registry code 7920102, 2 seats)
- Engine: [Ken Royce 90-5 series](https://openairdocs.org/engine/ken-royce-90-5-series) (registry code 37002)
- Serial number: 103
- Year built: 1929
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: May 2, 2013
- Expires: May 31, 2029
- Mode S code: A34527
- Registered owner: [Western Antique Aeroplane & Automobile Museum](https://openairdocs.org/faa-owner/WESTERN%20ANTIQUE%20AEROPLANE%20%26%20AUTOMOBILE%20MUSEUM)
- Location: [Hood River, OR](https://openairdocs.org/faa-place/OR/Hood%20River)
- Owner type: Corporation
- Owner's area on the map: 45.6068° N, 121.6023° W: Placed by OpenAirDocs at the center of ZIP code 97031, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=31H
- Page: https://openairdocs.org/aircraft/N31H

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 Ken Royce 90-5 model are included.

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

### Matched by airframe (Saint Louis CARDINAL C2)

None in force.

### Matched by engine (Ken Royce 90-5 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N31H.

## FAA accident and incident reports

None matched to N31H.

## 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 Saint Louis CARDINAL C2 aircraft: https://openairdocs.org/model/saint-louis-cardinal-c2/aircraft.md
- The Ken Royce 90-5 series engine: https://openairdocs.org/engine/ken-royce-90-5-series.md

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