# N640BW: 2018 Walker Brian D ZODIAC CH640

- Status: Valid registration
- Airframe: [Walker Brian D ZODIAC CH640](https://openairdocs.org/model/walker-brian-d-zodiac-ch640) (registry code 056367J, 4 seats)
- Engine: [Lycoming IO-360-M1S](https://openairdocs.org/engine/lycoming-io-360-m1s) (registry code 41952)
- Serial number: 640-0040
- Year built: 2018
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Zenair Ltd ZODIAC CH640
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 25, 2018
- Certificate issued: January 10, 2018
- Expires: January 31, 2028
- Mode S code: A86569
- Registered owner: [Walker Brian D](https://openairdocs.org/faa-owner/WALKER%20BRIAN%20D)
- Location: [Payson, AZ](https://openairdocs.org/faa-place/AZ/Payson)
- Owner type: Individual
- Owner's area on the map: 34.2438° N, 111.3190° W: Placed by OpenAirDocs: center of Payson, AZ, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=640BW
- Page: https://openairdocs.org/aircraft/N640BW

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): 0 in force

### Matched by airframe (Walker Brian D ZODIAC CH640)

None in force.

### Matched by engine (Lycoming IO-360-M1S)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N640BW.

## FAA accident and incident reports

None matched to N640BW.

## 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 Walker Brian D ZODIAC CH640 aircraft: https://openairdocs.org/model/walker-brian-d-zodiac-ch640/aircraft.md
- The Lycoming IO-360-M1S engine: https://openairdocs.org/engine/lycoming-io-360-m1s.md

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