# N18903: Ryan Aeronautical ST-A, registration cancelled 1940-05-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 4, 1940
- Exported to: Brazil
- Status when cancelled: Valid registration
- Airframe: [Ryan Aeronautical ST-A](https://openairdocs.org/model/ryan-aeronautical-st-a) (registry code 7830402)
- Data sheets: [TCDS ATC 571](https://openairdocs.org/tcds/ATC%20571) (OpenAirDocs)
- Serial number: 181
- Type of aircraft: Fixed wing single engine
- Mode S code: A1648F
- Owner when cancelled: [Pike Mary E](https://openairdocs.org/faa-owner/PIKE%20MARY%20E)
- Location: [Los Angeles, CA](https://openairdocs.org/faa-place/CA/Los%20Angeles)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N18903
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=18903
- Page: https://openairdocs.org/deregistered/N18903-1940-05-04

From the FAA registry file of November 3, 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 Ryan Aeronautical ST-A: https://openairdocs.org/model/ryan-aeronautical-st-a.md

## Other aircraft with N18903

- [Cancelled 2022-11-05](https://openairdocs.org/deregistered/N18903-2022-11-05): Beech C24R, S/N MC-523, built 1977. Registration expired, pending cancellation. Owner: [Nelson Stephen E](https://openairdocs.org/faa-owner/NELSON%20STEPHEN%20E), [Marietta, GA](https://openairdocs.org/faa-place/GA/Marietta)

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