# N6633Y: 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: September 16, 1992
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6633Y
- Page: https://openairdocs.org/aircraft/N6633Y

## Aircraft that carried N6633Y

- [Cancelled 1992-09-16](https://openairdocs.org/deregistered/N6633Y-1992-09-16): Piper PA-23-250, S/N 273945. Triennial form not returned. Owner: [F & S Investment Corp](https://openairdocs.org/faa-owner/F%20%26%20S%20INVESTMENT%20CORP), [Tulsa, OK](https://openairdocs.org/faa-place/OK/Tulsa)

## NTSB investigations on N6633Y (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 CHI69D0574](https://openairdocs.org/ntsb/CHI69D0574), Mar 17, 1969: Piper PA-23 (N6633Y), Elgin, IL, substantial damage

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