# N90421: Douglas C54B-DC, registration cancelled 1961-10-03

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 3, 1961
- Status when cancelled: Valid registration
- Airframe: [Douglas C54B-DC](https://openairdocs.org/model/douglas-c54b-dc) (registry code 3021516)
- Data sheets: [TCDS A-762](https://openairdocs.org/tcds/A-762) (OpenAirDocs)
- Serial number: 18394
- Type of aircraft: Fixed wing multi engine
- Certificate issued: August 22, 1961
- Mode S code: AC80C0
- Owner when cancelled: [Seven Seas Airlines Inc](https://openairdocs.org/faa-owner/SEVEN%20SEAS%20AIRLINES%20INC)
- Location: [New York, NY](https://openairdocs.org/faa-place/NY/New%20York)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N90421
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=90421
- Page: https://openairdocs.org/deregistered/N90421-1961-10-03

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 Douglas C54B-DC: https://openairdocs.org/model/douglas-c54b-dc.md

## Other aircraft with N90421

- [Cancelled 2011-06-06](https://openairdocs.org/deregistered/N90421-2011-06-06): Cessna T206H, S/N T20608972, built 2010. Exported to Brazil. Owner: [Cessna Aircraft Co](https://openairdocs.org/faa-owner/CESSNA%20AIRCRAFT%20CO), [Independence, KS](https://openairdocs.org/faa-place/KS/Independence)
- [Cancelled 2006-11-01](https://openairdocs.org/deregistered/N90421-2006-11-01): Sikorsky S-76, S/N 760039, built 1979. Triennial form not returned. Owner: [Houston Helicopters Inc](https://openairdocs.org/faa-owner/HOUSTON%20HELICOPTERS%20INC), [Pearland, TX](https://openairdocs.org/faa-place/TX/Pearland)

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