# N5510Y: Lockheed C-121C, registration cancelled

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: date not recorded
- Status when cancelled: N-number assigned, not yet registered
- Airframe: [Lockheed C-121C](https://openairdocs.org/model/lockheed-c-121c) (registry code 5262118)
- Serial number: 540167
- Type of aircraft: Fixed wing multi engine
- Mode S code: A70591
- The mark today: https://openairdocs.org/aircraft/N5510Y
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5510Y
- Page: https://openairdocs.org/deregistered/N5510Y-undated

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 Lockheed C-121C: https://openairdocs.org/model/lockheed-c-121c.md

## Other aircraft with N5510Y

- [Cancelled 2013-11-04](https://openairdocs.org/deregistered/N5510Y-2013-11-04): Buckeye BREEZE, S/N 16285, built 2002. Registration expired, pending cancellation. Owner: [Austgen David J](https://openairdocs.org/faa-owner/AUSTGEN%20DAVID%20J), [Crown Point, IN](https://openairdocs.org/faa-place/IN/Crown%20Point)
- [Cancelled 1983-10-05](https://openairdocs.org/deregistered/N5510Y-1983-10-05): Cessna 210N, S/N 21064230. Exported to South Africa. Owner: [Aircraft Center Los Angeles](https://openairdocs.org/faa-owner/AIRCRAFT%20CENTER%20LOS%20ANGELES), [Long Beach, CA](https://openairdocs.org/faa-place/CA/Long%20Beach)

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