# N51728: 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: April 1, 2013
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=51728
- Page: https://openairdocs.org/aircraft/N51728

## Aircraft that carried N51728

- [Cancelled 2013-04-01](https://openairdocs.org/deregistered/N51728-2013-04-01): Enstrom F-28C, S/N 430, built 1978. Registration expired, pending cancellation. Owner: [Spitfire Leasing](https://openairdocs.org/faa-owner/SPITFIRE%20LEASING), [Woods Cross, UT](https://openairdocs.org/faa-place/UT/Woods%20Cross)
- [Cancelled 1947-08-04](https://openairdocs.org/deregistered/N51728-1947-08-04): Ryan Aeronautical ST3KR, S/N 1684. Owner: [House Frank T](https://openairdocs.org/faa-owner/HOUSE%20FRANK%20T), [Lincoln, IL](https://openairdocs.org/faa-place/IL/Lincoln)

## FAA accident and incident reports on N51728 (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 19900205008139I](https://openairdocs.org/incident/19900205008139I), Feb 5, 1990: Enstrm F28C (N51728), Bountiful, UT. Mode c transponder failed inflight. Operated in control area without mode c.

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