# N466WA: 1940 Ryan Aeronautical STM

- Status: Valid registration
- Airframe: [Ryan Aeronautical STM](https://openairdocs.org/model/ryan-aeronautical-stm) (registry code 7830602, 2 seats)
- Engine: [Menasco PIRATE C4S](https://openairdocs.org/engine/menasco-pirate-c4s) (registry code 43505)
- Data sheets: [TCDS TC 134](https://openairdocs.org/tcds/TC%20134) (Menasco Manufacturing Co.) (OpenAirDocs)
- Serial number: 466
- Year built: 1940
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, racing
- Airworthiness date: August 31, 1988
- Certificate issued: October 22, 2021
- Expires: October 31, 2028
- Mode S code: A5B1DA
- Registered owner: [Peters Gary B](https://openairdocs.org/faa-owner/PETERS%20GARY%20B)
- Location: [Clarkston, WA](https://openairdocs.org/faa-place/WA/Clarkston)
- Owner type: Individual
- Owner's area on the map: 46.3755° N, 117.2903° W: Placed by OpenAirDocs at the center of ZIP code 99403, 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=466WA
- Page: https://openairdocs.org/aircraft/N466WA

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.

## ADs that may apply (OpenAirDocs): 1 in force

### Matched by airframe (Ryan Aeronautical STM)

None in force.

### Matched by engine (Menasco PIRATE C4S)

- [AD 69-09-01](https://openairdocs.org/ad/69-09-01): Eisemann Magnetos · Eisemann Magnetos, 2A4-45-B2, 2A4-49-B2 and 158 more

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N466WA.

## FAA accident and incident reports

None matched to N466WA.

## 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 Ryan Aeronautical STM aircraft: https://openairdocs.org/model/ryan-aeronautical-stm/aircraft.md
- The Menasco PIRATE C4S engine: https://openairdocs.org/engine/menasco-pirate-c4s.md

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