# N4123X: 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: March 11, 2013
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4123X
- Page: https://openairdocs.org/aircraft/N4123X

## Aircraft that carried N4123X

- [Cancelled 2013-03-11](https://openairdocs.org/deregistered/N4123X-2013-03-11): Aero Commander 100, S/N 222, built 1968. Registration expired, pending cancellation. Owner: [Regner Leo A](https://openairdocs.org/faa-owner/REGNER%20LEO%20A), [Fairbanks, AK](https://openairdocs.org/faa-place/AK/Fairbanks)

## NTSB investigations on N4123X (2)

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 ANC03LA035](https://openairdocs.org/ntsb/ANC03LA035), Mar 21, 2003: Aero Commander 100 (N4123X), North Pole, AK, substantial damage. Probable cause: The flight instructor's improper usage of the airplane's fuel mixture control, resulting in a loss of engine power during takeoff.
- [NTSB CHI68F0661](https://openairdocs.org/ntsb/CHI68F0661), Mar 31, 1968: Aero Comdr 100 (N4123X), Marion, OH, substantial damage

## FAA accident and incident reports on N4123X (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.

- [Accident 20030320003919A](https://openairdocs.org/incident/20030320003919A), Mar 20, 2003: Slinds 100ACMDR (N4123X), North Pole, AK, Substantial damage. (-23) [privacy data omitted] takeoff was attempted with the mixture control leaned at the 1000RPM throttle setting and the carb heat control in the full hot…

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