# N423A: 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: July 6, 2024
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=423A
- Page: https://openairdocs.org/aircraft/N423A

## Aircraft that carried N423A

- [Cancelled 2024-07-06](https://openairdocs.org/deregistered/N423A-2024-07-06): Allen John W ZENITH STOL CH-701, S/N 7-7187, built 2009. Registration pending, canceled. Owner: [Mason, TX](https://openairdocs.org/faa-place/TX/Mason)
- [Cancelled 1957-07-02](https://openairdocs.org/deregistered/N423A-1957-07-02): Sikorsky S-55, S/N 55561. Exported to Canada. Owner: [Petroleum Helicopters Inc](https://openairdocs.org/faa-owner/PETROLEUM%20HELICOPTERS%20INC), [New Orleans, LA](https://openairdocs.org/faa-place/LA/New%20Orleans)

## NTSB investigations on N423A (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 NYC71FGM06](https://openairdocs.org/ntsb/NYC71FGM06), Jul 27, 1970: Bell 47G (N423A), Penn Run, PA, substantial damage

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