# N504H: Lockheed 18, registration cancelled 1971-03-12

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 12, 1971
- Status when cancelled: Valid registration
- Airframe: [Lockheed 18](https://openairdocs.org/model/lockheed-18) (registry code 5261602)
- Data sheets: [TCDS A-723](https://openairdocs.org/tcds/A-723) (OpenAirDocs)
- Serial number: 2283
- Type of aircraft: Fixed wing multi engine
- Certificate issued: August 31, 1954
- Mode S code: A6497B
- Owner when cancelled: [S J Groves & Sons Co](https://openairdocs.org/faa-owner/S%20J%20GROVES%20%26%20SONS%20CO)
- Location: [Minneapolis, MN](https://openairdocs.org/faa-place/MN/Minneapolis)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N504H
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=504H
- Page: https://openairdocs.org/deregistered/N504H-1971-03-12

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: https://openairdocs.org/model/lockheed-18.md

## Other aircraft with N504H

- [Registered now](https://openairdocs.org/aircraft/N504H): Allen Chuck R RV-4, S/N 440, built 1984

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