# N4121B: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 1
- Last cancelled: July 13, 2021
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4121B
- Page: https://openairdocs.org/aircraft/N4121B

## Aircraft that carried N4121B

- [Cancelled 2021-07-13](https://openairdocs.org/deregistered/N4121B-2021-07-13): Aero Commander 520, S/N 520-24, built 1952. Second renewal notice. Owner: [Tarrant County Junior College](https://openairdocs.org/faa-owner/TARRANT%20COUNTY%20JUNIOR%20COLLEGE), [Ft Worth, TX](https://openairdocs.org/faa-place/TX/Ft%20Worth)

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