# N5666F: 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: March 17, 2014
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5666F
- Page: https://openairdocs.org/aircraft/N5666F

## Aircraft that carried N5666F

- [Cancelled 2014-03-17](https://openairdocs.org/deregistered/N5666F-2014-03-17): Alon A2, S/N A-166, built 1966. Owner: [Harder Ronald E](https://openairdocs.org/faa-owner/HARDER%20RONALD%20E), [Concord, NE](https://openairdocs.org/faa-place/NE/Concord)

## NTSB investigations on N5666F (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 CHI68D0517](https://openairdocs.org/ntsb/CHI68D0517), Jul 14, 1967: Alon A-2 (N5666F), Litchfield, IL, substantial damage

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