# N4539K: 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: January 24, 2018
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4539K
- Page: https://openairdocs.org/aircraft/N4539K

## Aircraft that carried N4539K

- [Cancelled 2018-01-24](https://openairdocs.org/deregistered/N4539K-2018-01-24): Ryan NAVION, S/N NAV-4-1539, built 1948. Registration expired, pending cancellation. Owner: [Spec Fred P](https://openairdocs.org/faa-owner/SPEC%20FRED%20P), [Claysville, PA](https://openairdocs.org/faa-place/PA/Claysville)

## NTSB investigations on N4539K (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 NYC75FGM30](https://openairdocs.org/ntsb/NYC75FGM30), Apr 2, 1975: Navion A (N4539K), Huntingdon Twp, PA, substantial damage

## FAA accident and incident reports on N4539K (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.

- [Accident 19750402007389A](https://openairdocs.org/incident/19750402007389A), Apr 2, 1975: Navion NAVION* (N4539K), Huntingdon Twp, PA, Substantial damage. Fuel selector valve fittd with improper o-rings which permittd air into fuel system.

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