# N731M: Ryan B-5, registration cancelled 1931-08-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 15, 1931
- Status when cancelled: Valid registration
- Airframe: [Ryan B-5](https://openairdocs.org/model/ryan-b-5) (registry code 7840202)
- Data sheets: [TCDS ATC 142](https://openairdocs.org/tcds/ATC%20142) (OpenAirDocs)
- Serial number: 231
- Type of aircraft: Fixed wing single engine
- Mode S code: A9CFD5
- Owner when cancelled: [Theodore Gildred](https://openairdocs.org/faa-owner/THEODORE%20GILDRED)
- Location: [San Diego, CA](https://openairdocs.org/faa-place/CA/San%20Diego)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N731M
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=731M
- Page: https://openairdocs.org/deregistered/N731M-1931-08-15

From the FAA registry file of November 3, 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 Ryan B-5: https://openairdocs.org/model/ryan-b-5.md

## Other aircraft with N731M

- [Registered now](https://openairdocs.org/aircraft/N731M): Vans RV-12IS, S/N 121591, built 2025
- [Cancelled 2014-11-20](https://openairdocs.org/deregistered/N731M-2014-11-20): Stinson VULTEE V-77, S/N 77-73, built 1943. Registration expired, pending cancellation. Owner: [San Diego Aero-Space Museum](https://openairdocs.org/faa-owner/SAN%20DIEGO%20AERO-SPACE%20MUSEUM), [San Diego, CA](https://openairdocs.org/faa-place/CA/San%20Diego)

---
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.
