# N440X: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 4
- Last cancelled: March 23, 2018
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=440X
- Page: https://openairdocs.org/aircraft/N440X

## Aircraft that carried N440X

- [Cancelled 2018-03-23](https://openairdocs.org/deregistered/N440X-2018-03-23): Robinson Helicopter R44 II, S/N 13041, built 2010. Registration expired, pending cancellation. Owner: [Mwm Inc](https://openairdocs.org/faa-owner/MWM%20INC), [Helena, MT](https://openairdocs.org/faa-place/MT/Helena)
- [Cancelled 2006-12-06](https://openairdocs.org/deregistered/N440X-2006-12-06): Piper PA-28-161, S/N 2816009, built 1983. Exported to United Kingdom. Owner: [Xxx, OK](https://openairdocs.org/faa-place/OK/Xxx)
- [Cancelled 1990-12-26](https://openairdocs.org/deregistered/N440X-1990-12-26): Savage Arthur P ACRO SPORT II, S/N 1468. Exported to United Kingdom. Owner: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)
- [Cancelled 1970-08-04](https://openairdocs.org/deregistered/N440X-1970-08-04): Cessna 310, S/N 35170. Owner: [Coe Interiors Inc](https://openairdocs.org/faa-owner/COE%20INTERIORS%20INC), [Denver, CO](https://openairdocs.org/faa-place/CO/Denver)

## NTSB investigations on N440X (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 FTW69A0007](https://openairdocs.org/ntsb/FTW69A0007), Aug 9, 1968: Cessna 310 (N440X), Mena, AR, destroyed, 2 fatal
- [NTSB DEN68D0083](https://openairdocs.org/ntsb/DEN68D0083), Sep 8, 1967: Cessna 310 (N440X), Aspen, CO, substantial damage

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.