# N4521A: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 2
- Last cancelled: May 8, 2018
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4521A
- Page: https://openairdocs.org/aircraft/N4521A

## Aircraft that carried N4521A

- [Cancelled 2018-05-08](https://openairdocs.org/deregistered/N4521A-2018-05-08): Gulfstream American AA-5B, S/N AA5B1070, built 1979. Sale reported, canceled. Owner: [Parsippany, NJ](https://openairdocs.org/faa-place/NJ/Parsippany)
- [Cancelled 1956-12-04](https://openairdocs.org/deregistered/N4521A-1956-12-04): Piper PA-22-150, S/N 22-3828. Owner: [Helble Vernon L](https://openairdocs.org/faa-owner/HELBLE%20VERNON%20L), [Montpelier, IA](https://openairdocs.org/faa-place/IA/Montpelier)

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