# N74100: Lockheed AT 18, registration cancelled 1949-03-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 8, 1949
- Status when cancelled: Valid registration
- Airframe: [Lockheed AT 18](https://openairdocs.org/model/lockheed-at-18) (registry code 5261558)
- Data sheets: [TCDS A-723](https://openairdocs.org/tcds/A-723) (OpenAirDocs)
- Serial number: 7269
- Type of aircraft: Fixed wing multi engine
- Certificate issued: August 30, 1946
- Mode S code: A9F8B2
- Owner when cancelled: [Gulf Research And Development Co](https://openairdocs.org/faa-owner/GULF%20RESEARCH%20AND%20DEVELOPMENT%20CO)
- Location: [Pittsburgh, PA](https://openairdocs.org/faa-place/PA/Pittsburgh)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N74100
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=74100
- Page: https://openairdocs.org/deregistered/N74100-1949-03-08

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

## Other aircraft with N74100

- [Registered now](https://openairdocs.org/aircraft/N74100): Grumman American Avn. AA-5B, S/N AA5B-0136, built 1975

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