# N531N: 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 15, 1940
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=531N
- Page: https://openairdocs.org/aircraft/N531N

## Aircraft that carried N531N

- [Cancelled 1940-07-15](https://openairdocs.org/deregistered/N531N-1940-07-15): Curtiss Robertson ROBIN J-1, S/N 731. Owner: [Orr E S](https://openairdocs.org/faa-owner/ORR%20E%20S), [Revere, MA](https://openairdocs.org/faa-place/MA/Revere)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.