# N37523: Douglas DC-6, registration cancelled 1970-12-31

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 31, 1970
- Status when cancelled: Valid registration
- Airframe: [Douglas DC-6](https://openairdocs.org/model/douglas-dc-6) (registry code 3021702)
- Data sheets: [TCDS A-781](https://openairdocs.org/tcds/A-781) (OpenAirDocs)
- Serial number: 43012
- Type of aircraft: Fixed wing multi engine
- Certificate issued: August 18, 1947
- Mode S code: A44918
- Owner when cancelled: [United Air Lines Inc](https://openairdocs.org/faa-owner/UNITED%20AIR%20LINES%20INC)
- Location: [Chicago 38, IL](https://openairdocs.org/faa-place/IL/Chicago%2038)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N37523
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=37523
- Page: https://openairdocs.org/deregistered/N37523-1970-12-31

From the FAA registry file of November 3, 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-6: https://openairdocs.org/model/douglas-dc-6.md

## Other aircraft with N37523

- [Registered now](https://openairdocs.org/aircraft/N37523): Boeing 737-9, S/N 43461, built 2020
- [Cancelled 2004-02-18](https://openairdocs.org/deregistered/N37523-2004-02-18): Balloon Works FIREFLY 7, S/N F7-136. Triennial form not returned. Owner: [Air A Fair](https://openairdocs.org/faa-owner/AIR%20A%20FAIR), [Claremont, NC](https://openairdocs.org/faa-place/NC/Claremont)
- [Cancelled 1981-04-06](https://openairdocs.org/deregistered/N37523-1981-04-06): Piper PA-23-160, S/N 23-1664, built 1959. Exported to Canada. Owner: [Captial Air Surveys Inc](https://openairdocs.org/faa-owner/CAPTIAL%20AIR%20SURVEYS%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)

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