# N5921X: 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: June 12, 2013
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5921X
- Page: https://openairdocs.org/aircraft/N5921X

## Aircraft that carried N5921X

- [Cancelled 2013-06-12](https://openairdocs.org/deregistered/N5921X-2013-06-12): Brantly B-2, S/N 57. Registration expired, pending cancellation. Owner: [Hynes Helicopter Inc](https://openairdocs.org/faa-owner/HYNES%20HELICOPTER%20INC), [Frederick, OK](https://openairdocs.org/faa-place/OK/Frederick)

## NTSB investigations on N5921X (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB NYC70FFM07](https://openairdocs.org/ntsb/NYC70FFM07), Mar 14, 1970: Brantly B-2 (N5921X), Spencer, MA, substantial damage

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