# N4639Z: 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: November 27, 2012
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4639Z
- Page: https://openairdocs.org/aircraft/N4639Z

## Aircraft that carried N4639Z

- [Cancelled 2012-11-27](https://openairdocs.org/deregistered/N4639Z-2012-11-27): Piper PA-22-108, S/N 22-8157, built 1961. Sale reported, canceled. Owner: [Minneapolis, MN](https://openairdocs.org/faa-place/MN/Minneapolis)

## NTSB investigations on N4639Z (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 MKC72DER56](https://openairdocs.org/ntsb/MKC72DER56), Apr 19, 1972: Piper PA-22 (N4639Z), Morris, MN, substantial damage

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