# N4539U: 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: December 7, 2012
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4539U
- Page: https://openairdocs.org/aircraft/N4539U

## Aircraft that carried N4539U

- [Cancelled 2012-12-07](https://openairdocs.org/deregistered/N4539U-2012-12-07): Cessna 150D, S/N 15060539, built 1964. Registration expired, pending cancellation. Owner: [Kosar Ronald M](https://openairdocs.org/faa-owner/KOSAR%20RONALD%20M), [Sunnymead, CA](https://openairdocs.org/faa-place/CA/Sunnymead)

## NTSB investigations on N4539U (2)

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 LAX82DUG06](https://openairdocs.org/ntsb/LAX82DUG06), Feb 14, 1982: Cessna 150 (N4539U), Daggett, CA, destroyed
- [NTSB LAX77FUG11](https://openairdocs.org/ntsb/LAX77FUG11), Nov 29, 1976: Cessna 150D (N4539U), Riverside, CA, substantial damage

## FAA accident and incident reports on N4539U (2)

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 19820214003919A](https://openairdocs.org/incident/19820214003919A), Feb 14, 1982: Cessna 150D (N4539U), Daggett, CA, Destroyed. Engine quit after surging. Cartwheeled and overturned,landing in alfalfa field. Engine ran normal after accident.
- [Accident 19761129037359A](https://openairdocs.org/incident/19761129037359A), Nov 29, 1976: Cessna A150K (N4539U), Riverside, CA, Substantial damage. Shock struts bottomed out during preflight.

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