# N4135D: Helio H-391B, registration cancelled 1970-06-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 23, 1970
- Status when cancelled: Valid registration
- Airframe: [Helio H-391B](https://openairdocs.org/model/helio-h-391b) (registry code 4300106)
- Data sheets: [TCDS 1A8](https://openairdocs.org/tcds/1A8) (OpenAirDocs)
- Serial number: 085
- Type of aircraft: Fixed wing single engine
- Certificate issued: January 24, 1967
- Mode S code: A4E250
- Owner when cancelled: [Gordon Mose W Jr](https://openairdocs.org/faa-owner/GORDON%20MOSE%20W%20JR)
- Location: [Athens, GA](https://openairdocs.org/faa-place/GA/Athens)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N4135D
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4135D
- Page: https://openairdocs.org/deregistered/N4135D-1970-06-23

From the FAA registry file of November 3, 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 H-391B: https://openairdocs.org/model/helio-h-391b.md

## NTSB investigations (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 MIA68F0266](https://openairdocs.org/ntsb/MIA68F0266), Oct 26, 1967: Helio Acft H-391B (N4135D), Lithonia, GA, substantial damage

## Other aircraft with N4135D

- [Registered now](https://openairdocs.org/aircraft/N4135D): Piper PA-28-181, S/N 2843219, built 1999

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