# N4639M: 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 3, 1954
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4639M
- Page: https://openairdocs.org/aircraft/N4639M

## Aircraft that carried N4639M

- [Cancelled 1954-05-03](https://openairdocs.org/deregistered/N4639M-1954-05-03): Piper PA-11, S/N 11-141. Exported to Canada. Owner: [Rahn Leon](https://openairdocs.org/faa-owner/RAHN%20LEON), [Atwood, IL](https://openairdocs.org/faa-place/IL/Atwood)

## FAA accident and incident reports on N4639M (1)

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.

- [Incident 19820518023949I](https://openairdocs.org/incident/19820518023949I), May 18, 1982: Beech 58P (N4639M), Rochester, NY. During cruise, oil pressure dropped on #2 engine. Found oil leak at turbo supercharger. Replaced supercharger.

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