# N4100S: 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: November 19, 2012
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4100S
- Page: https://openairdocs.org/aircraft/N4100S

## Aircraft that carried N4100S

- [Cancelled 2012-11-19](https://openairdocs.org/deregistered/N4100S-2012-11-19): Aero Commander 720, S/N 720-660-7, built 1960. Registration expired, pending cancellation. Owner: [Claro Carlo](https://openairdocs.org/faa-owner/CLARO%20CARLO), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami)

## NTSB investigations on N4100S (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 MIA87LA266](https://openairdocs.org/ntsb/MIA87LA266), Sep 30, 1987: Aero Commander 720 (N4100S), 50 Nw San Juan, PR, substantial damage

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