# N4393: 1971 Hauptman GYROCOPTER, registration cancelled 1972-11-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 15, 1972
- Status when cancelled: Valid registration
- Airframe: [Hauptman GYROCOPTER](https://openairdocs.org/model/hauptman-gyrocopter) (registry code 1300700)
- Serial number: TH-1
- Year built: 1971
- Type of aircraft: Rotorcraft
- Certificate issued: April 15, 1971
- Mode S code: A5474E
- Owner when cancelled: [Hauptman Thomas L](https://openairdocs.org/faa-owner/HAUPTMAN%20THOMAS%20L)
- Location: [Salem, OR](https://openairdocs.org/faa-place/OR/Salem)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N4393
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4393
- Page: https://openairdocs.org/deregistered/N4393-1972-11-15

From the FAA registry file of November 4, 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 Hauptman GYROCOPTER: https://openairdocs.org/model/hauptman-gyrocopter.md

## Other aircraft with N4393

- [Registered now](https://openairdocs.org/aircraft/N4393): Downey Everett G PIETENPOL AIR CAMPER, S/N EGD-1, built 1993

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
