# N521W: Monocoupe 110, registration cancelled 1948-03-26

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 26, 1948
- Status when cancelled: Valid registration
- Airframe: [Monocoupe 110](https://openairdocs.org/model/monocoupe-110) (registry code 5810202)
- Serial number: 5W-67
- Type of aircraft: Fixed wing single engine
- Certificate issued: June 30, 1942
- Mode S code: A68E99
- Owner when cancelled: [Oklahoma City Trade School](https://openairdocs.org/faa-owner/OKLAHOMA%20CITY%20TRADE%20SCHOOL)
- Location: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N521W
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=521W
- Page: https://openairdocs.org/deregistered/N521W-1948-03-26

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 Monocoupe 110: https://openairdocs.org/model/monocoupe-110.md

## Other aircraft with N521W

- [Cancelled 2019-12-18](https://openairdocs.org/deregistered/N521W-2019-12-18): Aero Commander 560-E, S/N 857, built 1960. Owner: [Cawley Thomas P](https://openairdocs.org/faa-owner/CAWLEY%20THOMAS%20P), [Lagrangeville, NY](https://openairdocs.org/faa-place/NY/Lagrangeville)

---
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.