# N4037X: 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: October 6, 2014
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4037X
- Page: https://openairdocs.org/aircraft/N4037X

## Aircraft that carried N4037X

- [Cancelled 2014-10-06](https://openairdocs.org/deregistered/N4037X-2014-10-06): Aero Commander 100-180, S/N 5137, built 1970. Registration expired, pending cancellation. Owner: [Mendez Teodoro Ramos](https://openairdocs.org/faa-owner/MENDEZ%20TEODORO%20RAMOS), [Toabaja Levittown, PR](https://openairdocs.org/faa-place/PR/Toabaja%20Levittown)

## NTSB investigations on N4037X (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 MIA77FKA06](https://openairdocs.org/ntsb/MIA77FKA06), Apr 3, 1977: Aero Comdr 100 (N4037X), Lajas, PR, substantial damage

## FAA accident and incident reports on N4037X (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 19770403007029A](https://openairdocs.org/incident/19770403007029A), Apr 3, 1977: Slinds 100180 (N4037X), Lajas, Puerto Rico, Substantial damage. Wnd gusting 20K

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