# N4000U: Douglas B-23, registration cancelled 1968-12-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 17, 1968
- Exported to: Ecuador
- Status when cancelled: Valid registration
- Airframe: [Douglas B-23](https://openairdocs.org/model/douglas-b-23) (registry code 3020702)
- Data sheets: [TCDS TC 2-576](https://openairdocs.org/tcds/TC%202-576) (OpenAirDocs)
- Serial number: 2717
- Type of aircraft: Fixed wing multi engine
- Certificate issued: September 10, 1968
- Mode S code: A4AF0C
- Owner when cancelled: [Carolina Aircraft Corp](https://openairdocs.org/faa-owner/CAROLINA%20AIRCRAFT%20CORP)
- Location: [Fort Lauderdale, FL](https://openairdocs.org/faa-place/FL/Fort%20Lauderdale)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N4000U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4000U
- Page: https://openairdocs.org/deregistered/N4000U-1968-12-17

From the FAA registry file of November 5, 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 Douglas B-23: https://openairdocs.org/model/douglas-b-23.md

## Other aircraft with N4000U

- [Cancelled 2018-02-13](https://openairdocs.org/deregistered/N4000U-2018-02-13): Piper PA-30, S/N 30-981, built 1966. Registration expired, pending cancellation. Owner: [Farrant David A](https://openairdocs.org/faa-owner/FARRANT%20DAVID%20A), [Canby, OR](https://openairdocs.org/faa-place/OR/Canby)
- [Cancelled 1965-05-05](https://openairdocs.org/deregistered/N4000U-1965-05-05): Cessna 150E, S/N 15061400. Exported to South Africa. Owner: [Cessna Aircraft Co](https://openairdocs.org/faa-owner/CESSNA%20AIRCRAFT%20CO), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita)

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