# N4089H: Helio H800, registration cancelled

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: date not recorded
- Status when cancelled: N-number assigned, not yet registered
- Airframe: [Helio H800](https://openairdocs.org/model/helio-h800) (registry code 4300500)
- Data sheets: [TCDS 1A8](https://openairdocs.org/tcds/1A8) (OpenAirDocs)
- Serial number: H14
- Type of aircraft: Fixed wing single engine
- Mode S code: A4CDF4
- The mark today: https://openairdocs.org/aircraft/N4089H
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4089H
- Page: https://openairdocs.org/deregistered/N4089H-undated

From the FAA registry file of October 28, 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 Helio H800: https://openairdocs.org/model/helio-h800.md

## Other aircraft with N4089H

- [Registered now](https://openairdocs.org/aircraft/N4089H): Kroesch Donald F CHALLENGER II, S/N CH1091-0745, built 1995
- [Cancelled 1982-11-09](https://openairdocs.org/deregistered/N4089H-1982-11-09): Mooney M20K, S/N 25-0466, built 1980. Exported to Canada. Owner: [Chidlow Glen](https://openairdocs.org/faa-owner/CHIDLOW%20GLEN), Ponoak Alberta

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