# N4150B: Aero Commander 520, registration cancelled 1977-11-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 15, 1977
- 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: 520-55
- Type of aircraft: Fixed wing multi engine
- Certificate issued: June 25, 1976
- Mode S code: A4E90D
- Owner when cancelled: [Claus Leslie V](https://openairdocs.org/faa-owner/CLAUS%20LESLIE%20V)
- Location: [Cerritos, CA](https://openairdocs.org/faa-place/CA/Cerritos)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N4150B
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4150B
- Page: https://openairdocs.org/deregistered/N4150B-1977-11-15

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

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX75O0017](https://openairdocs.org/ntsb/LAX75O0017), Dec 12, 1974: Aero Comdr 520 (N4150B), Bahia De L.A., Mexico, substantial damage

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19741212040899A](https://openairdocs.org/incident/19741212040899A), Dec 12, 1974: Rkwell 520 (N4150B), Bahia De L.A., Substantial damage. Invest under jurisdiction of govt of Mexico.

---
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.
