# N4123X: 1968 Aero Commander 100, registration cancelled 2013-03-11

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 11, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Aero Commander 100](https://openairdocs.org/model/aero-commander-100) (registry code 0140202)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 222
- Year built: 1968
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: February 2, 1968
- Certificate issued: September 24, 2001
- Last registry action: September 18, 2007
- Mode S code: A4DE65
- Owner when cancelled: [Regner Leo A](https://openairdocs.org/faa-owner/REGNER%20LEO%20A)
- Location: [Fairbanks, AK](https://openairdocs.org/faa-place/AK/Fairbanks)
- Owner type: Individual
- Owner's area on the map: 65.1550° N, 146.2526° W: Placed by OpenAirDocs at the center of ZIP code 99707, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4123X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4123X
- Page: https://openairdocs.org/deregistered/N4123X-2013-03-11

From the FAA registry file of November 5, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Aero Commander 100: https://openairdocs.org/model/aero-commander-100.md

## NTSB investigations (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 (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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