# N185K: 1930 Monocoupe 90, registration cancelled 1948-02-02

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 2, 1948
- Status when cancelled: Valid registration
- Airframe: [Monocoupe 90](https://openairdocs.org/model/monocoupe-90) (registry code 5810102)
- Data sheets: [TCDS A-306](https://openairdocs.org/tcds/A-306) (OpenAirDocs)
- Serial number: 519
- Year built: 1930
- Type of aircraft: Fixed wing single engine
- Certificate issued: August 20, 1942
- Mode S code: A15420
- Owner when cancelled: [Butterfield Albert](https://openairdocs.org/faa-owner/BUTTERFIELD%20ALBERT)
- Location: [Indianapolis, IN](https://openairdocs.org/faa-place/IN/Indianapolis)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N185K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=185K
- Page: https://openairdocs.org/deregistered/N185K-1948-02-02

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 Monocoupe 90: https://openairdocs.org/model/monocoupe-90.md

## Other aircraft with N185K

- [Registered now](https://openairdocs.org/aircraft/N185K): Cessna A185E, S/N 18501890, built 1971
- [Cancelled 2008-01-29](https://openairdocs.org/deregistered/N185K-2008-01-29): Cessna A185E, S/N 18501887, built 1971. Triennial form not returned. Owner: [Knapp Rebecca L](https://openairdocs.org/faa-owner/KNAPP%20REBECCA%20L), [Parker, CO](https://openairdocs.org/faa-place/CO/Parker)
- [Cancelled 1979-04-16](https://openairdocs.org/deregistered/N185K-1979-04-16): Pilatus Porter PC-6/C-H2, S/N 563, built 1964. Owner: [Air America Inc](https://openairdocs.org/faa-owner/AIR%20AMERICA%20INC), [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)

---
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.
