# N4181B: Aero Commander 520, registration cancelled 1954-03-02

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 2, 1954
- Exported to: Brazil
- Status when cancelled: Valid registration
- Airframe: [Aero Commander 520](https://openairdocs.org/model/aero-commander-520) (registry code 0141202)
- Data sheets: [TCDS 6A1](https://openairdocs.org/tcds/6A1) (OpenAirDocs)
- Serial number: 84
- Type of aircraft: Fixed wing multi engine
- Certificate issued: July 9, 1953
- Mode S code: A4F455
- Owner when cancelled: [Mark Aero Supply Inc](https://openairdocs.org/faa-owner/MARK%20AERO%20SUPPLY%20INC)
- Location: [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N4181B
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4181B
- Page: https://openairdocs.org/deregistered/N4181B-1954-03-02

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 Aero Commander 520: https://openairdocs.org/model/aero-commander-520.md

## Other aircraft with N4181B

- [Registered now](https://openairdocs.org/aircraft/N4181B): Bellanca 17-30A, S/N 75-30770

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.