# N37506: 1947 Douglas DC-6, registration cancelled 1949-12-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 1, 1949
- 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: 42871
- Year built: 1947
- Type of aircraft: Fixed wing multi engine
- Certificate issued: April 11, 1947
- Mode S code: A448D5
- Owner when cancelled: [United Air Lines Inc](https://openairdocs.org/faa-owner/UNITED%20AIR%20LINES%20INC)
- Location: [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N37506
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=37506
- Page: https://openairdocs.org/deregistered/N37506-1949-12-01

From the FAA registry file of November 5, 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 N37506

- [Registered now](https://openairdocs.org/aircraft/N37506): Boeing 737-9, S/N 43432, built 2018

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