# N440X: 2010 Robinson Helicopter R44 II, registration cancelled 2018-03-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 23, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Robinson Helicopter R44 II](https://openairdocs.org/model/robinson-helicopter-r44-ii) (registry code 7640122)
- Engine: [Lycoming IO-540-AE1A5](https://openairdocs.org/engine/lycoming-io-540-ae1a5) (registry code 41899)
- Data sheets: [TCDS H11NM](https://openairdocs.org/tcds/H11NM), [TCDS 1E4](https://openairdocs.org/tcds/1E4) (OpenAirDocs)
- Serial number: 13041
- Year built: 2010
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: June 27, 2014
- Certificate issued: June 16, 2014
- Last registry action: June 16, 2014
- Mode S code: A54CAA
- Owner when cancelled: [Mwm Inc](https://openairdocs.org/faa-owner/MWM%20INC)
- Location: [Helena, MT](https://openairdocs.org/faa-place/MT/Helena)
- Owner type: Corporation
- Owner's area on the map: 46.5307° N, 112.1994° W: Placed by OpenAirDocs at the center of ZIP code 59601, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N440X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=440X
- Page: https://openairdocs.org/deregistered/N440X-2018-03-23

From the FAA registry file of October 29, 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 Robinson Helicopter R44 II: https://openairdocs.org/model/robinson-helicopter-r44-ii.md

## Other aircraft with N440X

- [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)

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