# N4606G: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 1
- Last cancelled: December 29, 1976
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4606G
- Page: https://openairdocs.org/aircraft/N4606G

## Aircraft that carried N4606G

- [Cancelled 1976-12-29](https://openairdocs.org/deregistered/N4606G-1976-12-29): Sikorsky S-61N, S/N 61224. Exported to United Kingdom. Owner: [Sfo Helicopter Airlines Inc](https://openairdocs.org/faa-owner/SFO%20HELICOPTER%20AIRLINES%20INC), [Oakland, CA](https://openairdocs.org/faa-place/CA/Oakland)

## NTSB investigations on N4606G (3)

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 OAK73IP020](https://openairdocs.org/ntsb/OAK73IP020), Nov 17, 1973: Sikorsky S-61N (N4606G), Oakland, CA, incident, minor damage
- [NTSB OAK67A0043](https://openairdocs.org/ntsb/OAK67A0043), Oct 11, 1966: Sikorsky S-61N (N4606G), Mountain View, CA, substantial damage
- [NTSB OAK66A0054](https://openairdocs.org/ntsb/OAK66A0054), Jun 6, 1966: Sikorsky S-61N (N4606G), San Francisco, CA, 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.