# N421M: 1930 Stinson SM-8A, registration cancelled 1940-10-16

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 16, 1940
- Status when cancelled: Valid registration
- Airframe: [Stinson SM-8A](https://openairdocs.org/model/stinson-sm-8a) (registry code 8630802)
- Data sheets: [TCDS ATC 295](https://openairdocs.org/tcds/ATC%20295) (OpenAirDocs)
- Serial number: 4012
- Year built: 1930
- Type of aircraft: Fixed wing single engine
- Mode S code: A50069
- Owner when cancelled: [Schmitt William J](https://openairdocs.org/faa-owner/SCHMITT%20WILLIAM%20J)
- Location: [Sheboygan, WI](https://openairdocs.org/faa-place/WI/Sheboygan)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N421M
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=421M
- Page: https://openairdocs.org/deregistered/N421M-1940-10-16

From the FAA registry file of October 29, 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 Stinson SM-8A: https://openairdocs.org/model/stinson-sm-8a.md

## Other aircraft with N421M

- [Registered now](https://openairdocs.org/aircraft/N421M): Embraer Executive EMB-505, S/N 50500490, built 2018
- [Cancelled 2012-11-07](https://openairdocs.org/deregistered/N421M-2012-11-07): Cessna 310, S/N 35141, built 1955. Sale reported, canceled. Owner: [Jeffersonville, IN](https://openairdocs.org/faa-place/IN/Jeffersonville)

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