# N4031S: 1981 Hiller UH-12E, registration cancelled 1981-06-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 29, 1981
- Exported to: Argentina
- Status when cancelled: Valid registration
- Airframe: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (registry code 4360122)
- Data sheets: [TCDS 4H11](https://openairdocs.org/tcds/4H11) (OpenAirDocs)
- Serial number: 5171
- Year built: 1981
- Type of aircraft: Rotorcraft
- Mode S code: A4BA52
- Owner when cancelled: [Hiller Aviation](https://openairdocs.org/faa-owner/HILLER%20AVIATION)
- Location: [Porterville, CA](https://openairdocs.org/faa-place/CA/Porterville)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N4031S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4031S
- Page: https://openairdocs.org/deregistered/N4031S-1981-06-29

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 Hiller UH-12E: https://openairdocs.org/model/hiller-uh-12e.md

## Other aircraft with N4031S

- [Registered now](https://openairdocs.org/aircraft/N4031S): Adams Balloon A55, S/N 159
- [Cancelled 1973-11-23](https://openairdocs.org/deregistered/N4031S-1973-11-23): Sikorsky S-61D, S/N 61706, built 1973. Exported to Brazil. Owner: [Sikorsky Aircraft Division](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20DIVISION), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford)

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