# N20K: 1974 Aero Commander 1121B, registration cancelled 2005-10-12

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 12, 2005
- Status when cancelled: Valid registration
- Airframe: [Aero Commander 1121B](https://openairdocs.org/model/aero-commander-1121b) (registry code 0142010)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Data sheets: [TCDS A2SW](https://openairdocs.org/tcds/A2SW) (OpenAirDocs)
- Serial number: 144
- Year built: 1974
- Type of aircraft: Fixed wing multi engine
- Airworthiness: Standard, normal
- Airworthiness date: June 10, 1974
- Certificate issued: October 12, 2005
- Last registry action: October 12, 2005
- Mode S code: A1908B
- Owner when cancelled: [White Industries Inc](https://openairdocs.org/faa-owner/WHITE%20INDUSTRIES%20INC)
- Location: [Bates City, MO](https://openairdocs.org/faa-place/MO/Bates%20City)
- Owner type: Corporation
- Owner's area on the map: 38.9597° N, 94.0679° W: Placed by OpenAirDocs at the center of ZIP code 64011, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N20K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=20K
- Page: https://openairdocs.org/deregistered/N20K-2005-10-12

From the FAA registry file of October 29, 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 Aero Commander 1121B: https://openairdocs.org/model/aero-commander-1121b.md

## Other aircraft with N20K

- [Cancelled 1990-10-01](https://openairdocs.org/deregistered/N20K-1990-10-01): Robinson Helicopter R22 BETA, S/N 789. N-number assigned, not yet registered
- [Cancelled 1976-10-22](https://openairdocs.org/deregistered/N20K-1976-10-22): Urshan UR-1, S/N 1, built 1954. Owner: [Urshan Samuel A](https://openairdocs.org/faa-owner/URSHAN%20SAMUEL%20A), [San Diego, CA](https://openairdocs.org/faa-place/CA/San%20Diego)
- [Cancelled 1937-09-30](https://openairdocs.org/deregistered/N20K-1937-09-30): Savoia Marchetti S-55-P, S/N 10517, built 1929. Owner: [Alaska Airways Inc](https://openairdocs.org/faa-owner/ALASKA%20AIRWAYS%20INC), [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle)

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