# N4523P: 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: July 19, 2012
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4523P
- Page: https://openairdocs.org/aircraft/N4523P

## Aircraft that carried N4523P

- [Cancelled 2012-07-19](https://openairdocs.org/deregistered/N4523P-2012-07-19): Piper PA-23-250, S/N 27-27, built 1960. Revoked, canceled. Owner: [Doerr Aviation Inc](https://openairdocs.org/faa-owner/DOERR%20AVIATION%20INC), [San Antonio, TX](https://openairdocs.org/faa-place/TX/San%20Antonio)

## NTSB investigations on N4523P (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 UNK65X1447](https://openairdocs.org/ntsb/UNK65X1447), Feb 21, 1965: Piper PA23 (N4523P), San Antonio, TX, substantial damage

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