# N4577Z: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 2
- Last cancelled: November 7, 1990
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4577Z
- Page: https://openairdocs.org/aircraft/N4577Z

## Aircraft that carried N4577Z

- [Cancelled 1990-11-07](https://openairdocs.org/deregistered/N4577Z-1990-11-07): Douglas DC3C, S/N 9795. N-number assigned, not yet registered
- [Cancelled 1970-06-24](https://openairdocs.org/deregistered/N4577Z-1970-06-24): Piper PA-22-108, S/N 22-8086. Owner: [Palmetto Flying School](https://openairdocs.org/faa-owner/PALMETTO%20FLYING%20SCHOOL), [Sarasota, FL](https://openairdocs.org/faa-place/FL/Sarasota)

## NTSB investigations on N4577Z (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 UNK64X1712](https://openairdocs.org/ntsb/UNK64X1712), May 10, 1964: Piper PA22 (N4577Z), Sarasota, FL, destroyed, 1 fatal

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