# N37566: Douglas DC-6B, registration cancelled 1970-12-31

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 31, 1970
- Status when cancelled: Valid registration
- Airframe: [Douglas DC-6B](https://openairdocs.org/model/douglas-dc-6b) (registry code 3021712)
- Data sheets: [TCDS 6A4](https://openairdocs.org/tcds/6A4) (OpenAirDocs)
- Serial number: 43563
- Type of aircraft: Fixed wing multi engine
- Certificate issued: September 16, 1952
- Mode S code: A449A7
- Owner when cancelled: [Mars Aviation Inc](https://openairdocs.org/faa-owner/MARS%20AVIATION%20INC)
- Location: [San Francisco, CA](https://openairdocs.org/faa-place/CA/San%20Francisco)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N37566
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=37566
- Page: https://openairdocs.org/deregistered/N37566-1970-12-31

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 Douglas DC-6B: https://openairdocs.org/model/douglas-dc-6b.md

## Other aircraft with N37566

- [Registered now](https://openairdocs.org/aircraft/N37566): Cessna M337B, S/N 337M0157, built 1967

---
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.