# N504AU: 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: October 6, 2010
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=504AU
- Page: https://openairdocs.org/aircraft/N504AU

## Aircraft that carried N504AU

- [Cancelled 2010-10-06](https://openairdocs.org/deregistered/N504AU-2010-10-06): Boeing 737-3B7, S/N 23379, built 1987. Triennial form not returned. Owner: [Aircraft Statutory Trust N504au](https://openairdocs.org/faa-owner/AIRCRAFT%20STATUTORY%20TRUST%20N504AU), [Boston, MA](https://openairdocs.org/faa-place/MA/Boston)

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