# N4105D: Helio H-391B, registration cancelled 1963-11-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 7, 1963
- Exported to: Peru
- 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: 021
- Type of aircraft: Fixed wing single engine
- Certificate issued: January 4, 1961
- Mode S code: A4D72B
- Owner when cancelled: [Summer Institute Of Linguistics](https://openairdocs.org/faa-owner/SUMMER%20INSTITUTE%20OF%20LINGUISTICS)
- Location: [Santa Ana, CA](https://openairdocs.org/faa-place/CA/Santa%20Ana)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N4105D
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4105D
- Page: https://openairdocs.org/deregistered/N4105D-1963-11-07

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 Helio H-391B: https://openairdocs.org/model/helio-h-391b.md

## Other aircraft with N4105D

- [Registered now](https://openairdocs.org/aircraft/N4105D): Piper PA-31-350, S/N 31-8252027, built 1981

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