# N4593U: 1958 Boeing 707-121, registration cancelled 1984-08-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 21, 1984
- Status when cancelled: Valid registration
- Airframe: [Boeing 707-121](https://openairdocs.org/model/boeing-707-121) (registry code 138360C)
- Data sheets: [TCDS 4A21](https://openairdocs.org/tcds/4A21) (OpenAirDocs)
- Serial number: 17590
- Year built: 1958
- Type of aircraft: Fixed wing multi engine
- Certificate issued: February 24, 1984
- Mode S code: A5965F
- Owner when cancelled: [E Systems Inc](https://openairdocs.org/faa-owner/E%20SYSTEMS%20INC)
- Location: [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N4593U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4593U
- Page: https://openairdocs.org/deregistered/N4593U-1984-08-21

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 Boeing 707-121: https://openairdocs.org/model/boeing-707-121.md

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