# N6691: 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: October 26, 1971
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6691
- Page: https://openairdocs.org/aircraft/N6691

## Aircraft that carried N6691

- [Cancelled 1971-10-26](https://openairdocs.org/deregistered/N6691-1971-10-26): Beech 3T, S/N 43-35885. Owner: [Hamilton Aircraft Company Inc](https://openairdocs.org/faa-owner/HAMILTON%20AIRCRAFT%20COMPANY%20INC), [Tucson, AZ](https://openairdocs.org/faa-place/AZ/Tucson)
- [Cancelled 1931-11-03](https://openairdocs.org/deregistered/N6691-1931-11-03): Command-Aire 3C-3, S/N 516, built 1928. Owner: [Springfield Airport & Aeronautical School Inc](https://openairdocs.org/faa-owner/SPRINGFIELD%20AIRPORT%20%26%20AERONAUTICAL%20SCHOOL%20INC), [Springfield, MA](https://openairdocs.org/faa-place/MA/Springfield)

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