# N90423: 2003 Riordan James F MARK IV, registration cancelled 2020-08-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 7, 2020
- Status when cancelled: Expired dealer
- Airframe: [Riordan James F MARK IV](https://openairdocs.org/model/riordan-james-f-mark-iv) (registry code 05618P1)
- Engine: [Rotax SEE BOMBADIER](https://openairdocs.org/engine/rotax-see-bombadier) (registry code 55555)
- Serial number: 1601D
- Year built: 2003
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: January 18, 2006
- Last registry action: August 1, 2011
- Mode S code: AC80C2
- Owner when cancelled: [Walker Gerald K](https://openairdocs.org/faa-owner/WALKER%20GERALD%20K)
- Location: [Pocahontas, AR](https://openairdocs.org/faa-place/AR/Pocahontas)
- Physical address: [Walnut Ridge, AR](https://openairdocs.org/faa-place/AR/Walnut%20Ridge)
- Owner type: Individual
- Owner's area on the map: 36.3210° N, 91.0479° W: Placed by OpenAirDocs at the center of ZIP code 72455, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N90423
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=90423
- Page: https://openairdocs.org/deregistered/N90423-2020-08-07

From the FAA registry file of November 5, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Riordan James F MARK IV: https://openairdocs.org/model/riordan-james-f-mark-iv.md

## Other aircraft with N90423

- [Cancelled 1964-02-05](https://openairdocs.org/deregistered/N90423-1964-02-05): Douglas DC-4, S/N 18392. Exported to Colombia. Owner: [Air Carrier Service Corp](https://openairdocs.org/faa-owner/AIR%20CARRIER%20SERVICE%20CORP), [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)

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