# N4398: 1928 Ryan B1, registration cancelled 1940-02-28

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 28, 1940
- Status when cancelled: Valid registration
- Airframe: [Ryan B1](https://openairdocs.org/model/ryan-b1) (registry code 7840102)
- Data sheets: [TCDS ATC 25](https://openairdocs.org/tcds/ATC%2025) (OpenAirDocs)
- Serial number: 71
- Year built: 1928
- Type of aircraft: Fixed wing single engine
- Mode S code: A547FD
- Owner when cancelled: [Middaugh Hugh A](https://openairdocs.org/faa-owner/MIDDAUGH%20HUGH%20A)
- Location: [St Joseph, MO](https://openairdocs.org/faa-place/MO/St%20Joseph)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N4398
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4398
- Page: https://openairdocs.org/deregistered/N4398-1940-02-28

From the FAA registry file of October 31, 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 B1: https://openairdocs.org/model/ryan-b1.md

## Other aircraft with N4398

- [Cancelled 2005-04-04](https://openairdocs.org/deregistered/N4398-2005-04-04): Grumman Acft ENG Cor-Schweizer G-164A, S/N 1047, built 1973. Exported to Mexico. Owner: [Terry Flying Service Inc](https://openairdocs.org/faa-owner/TERRY%20FLYING%20SERVICE%20INC), [Franklin, LA](https://openairdocs.org/faa-place/LA/Franklin)

---
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.
