# N4577N: 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: May 17, 1988
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4577N
- Page: https://openairdocs.org/aircraft/N4577N

## Aircraft that carried N4577N

- [Cancelled 1988-05-17](https://openairdocs.org/deregistered/N4577N-1988-05-17): Boeing A75, S/N 756467. Triennial form not returned

## NTSB investigations on N4577N (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 FTW70DRA29](https://openairdocs.org/ntsb/FTW70DRA29), May 28, 1970: Boeing E75N1 (N4577N), Beaumont, TX, substantial damage

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