# N5551: Ryan B1, registration cancelled 1933-01-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 7, 1933
- Status when cancelled: Valid registration
- Airframe: [Ryan B1](https://openairdocs.org/model/ryan-b1) (registry code 7840102)
- Data sheets: [TCDS ATC 25](https://openairdocs.org/tcds/ATC%2025) (OpenAirDocs)
- Serial number: 116
- Type of aircraft: Fixed wing single engine
- Mode S code: A71479
- Owner when cancelled: [Robertson Airplane Services Co](https://openairdocs.org/faa-owner/ROBERTSON%20AIRPLANE%20SERVICES%20CO)
- Location: [Robertson, MO](https://openairdocs.org/faa-place/MO/Robertson)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N5551
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5551
- Page: https://openairdocs.org/deregistered/N5551-1933-01-07

From the FAA registry file of October 29, 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 B1: https://openairdocs.org/model/ryan-b1.md

## Other aircraft with N5551

- [Registered now](https://openairdocs.org/aircraft/N5551): Horton Daniel RV-8, S/N 82605, built 2010

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