# N644KS: Lockheed 18-56, registration cancelled 1971-04-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 15, 1971
- Status when cancelled: Valid registration
- Airframe: [Lockheed 18-56](https://openairdocs.org/model/lockheed-18-56) (registry code 5261642)
- Serial number: 2554
- Type of aircraft: Fixed wing multi engine
- Certificate issued: December 19, 1952
- Mode S code: A87509
- Owner when cancelled: [The Kelly Springfield Tire Company](https://openairdocs.org/faa-owner/THE%20KELLY%20SPRINGFIELD%20TIRE%20COMPANY)
- Location: [Cumberland, MD](https://openairdocs.org/faa-place/MD/Cumberland)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N644KS
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=644KS
- Page: https://openairdocs.org/deregistered/N644KS-1971-04-15

From the FAA registry file of October 31, 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 18-56: https://openairdocs.org/model/lockheed-18-56.md

## Other aircraft with N644KS

- [Registered now](https://openairdocs.org/aircraft/N644KS): Piper PA-44-180, S/N 4496220, built 2006

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