# N4233: 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 18, 1977
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4233
- Page: https://openairdocs.org/aircraft/N4233

## Aircraft that carried N4233

- [Cancelled 1977-03-18](https://openairdocs.org/deregistered/N4233-1977-03-18): Fairchild FH-227B, S/N 559, built 1967. Exported to Belgium. Owner: [Ozark Air Lines Inc](https://openairdocs.org/faa-owner/OZARK%20AIR%20LINES%20INC), [St Louis, MO](https://openairdocs.org/faa-place/MO/St%20Louis)

## NTSB investigations on N4233 (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 MKC69I0041](https://openairdocs.org/ntsb/MKC69I0041), Dec 22, 1968: Fairchild FH-227 (N4233), St.Louis, MO, incident, minor damage

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