# N4780G: 1966 Siai-Marchetti S.205/22R, registration cancelled 1976-05-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 21, 1976
- Status when cancelled: Valid registration
- Airframe: [Siai-Marchetti S.205/22R](https://openairdocs.org/model/siai-marchetti-s-205-22r) (registry code 8120412)
- Data sheets: [TCDS A9EU](https://openairdocs.org/tcds/A9EU) (OpenAirDocs)
- Serial number: 213
- Year built: 1966
- Type of aircraft: Fixed wing single engine
- Certificate issued: October 21, 1970
- Mode S code: A5E131
- Owner when cancelled: [Mcdonald Howeard C](https://openairdocs.org/faa-owner/MCDONALD%20HOWEARD%20C)
- Location: [Shelby, MI](https://openairdocs.org/faa-place/MI/Shelby)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N4780G
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4780G
- Page: https://openairdocs.org/deregistered/N4780G-1976-05-21

From the FAA registry file of November 7, 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 Siai-Marchetti S.205/22R: https://openairdocs.org/model/siai-marchetti-s-205-22r.md

## NTSB investigations (2)

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 CHI72FEM44](https://openairdocs.org/ntsb/CHI72FEM44), Jan 21, 1972: Siai-Marche 205-22 (N4780G), Eagle, MI, substantial damage
- [NTSB LAX67F0216](https://openairdocs.org/ntsb/LAX67F0216), Dec 1, 1966: SIAI March. S-205 (N4780G), Phoenix, AZ, substantial damage

---
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.