# N9473S: 2022 Williamson Donahue J HIGHLANDER

- Status: Valid registration
- Airframe: [Williamson Donahue J HIGHLANDER](https://openairdocs.org/model/williamson-donahue-j-highlander) (registry code 05640OW, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: JA583-04-20
- Year built: 2022
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: Just Aircraft LLC HIGHLANDER
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 7, 2022
- Certificate issued: January 12, 2022
- Expires: January 31, 2029
- Mode S code: AD29FB
- Registered owner: [Williamson Donahue J](https://openairdocs.org/faa-owner/WILLIAMSON%20DONAHUE%20J)
- Location: [Piedmont, SD](https://openairdocs.org/faa-place/SD/Piedmont)
- Owner type: Individual
- Owner's area on the map: 44.2453° N, 103.2886° W: Placed by OpenAirDocs at the center of ZIP code 57769, 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=9473S
- Page: https://openairdocs.org/aircraft/N9473S

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 (Williamson Donahue J HIGHLANDER)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N9473S.

## FAA accident and incident reports

None matched to N9473S.

## 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.

## Earlier aircraft with N9473S

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N9473S before.

- [Cancelled 1966-03-17](https://openairdocs.org/deregistered/N9473S-1966-03-17): Beech 95-C55, S/N TE-76, built 1966. Exported to Australia. Owner: [Floair Inc](https://openairdocs.org/faa-owner/FLOAIR%20INC), [Newton, KS](https://openairdocs.org/faa-place/KS/Newton)

## Related

- Other Williamson Donahue J HIGHLANDER aircraft: https://openairdocs.org/model/williamson-donahue-j-highlander/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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