# N37431: 1942 Interstate S-1A, registration cancelled 1943-04-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 15, 1943
- Status when cancelled: Valid registration
- Airframe: [Interstate S-1A](https://openairdocs.org/model/interstate-s-1a) (registry code 1850202)
- Data sheets: [TCDS A-737](https://openairdocs.org/tcds/A-737) (OpenAirDocs)
- Serial number: 276
- Year built: 1942
- Type of aircraft: Fixed wing single engine
- Certificate issued: July 22, 1942
- Mode S code: A44582
- Owner when cancelled: [Stillwater Flying Service](https://openairdocs.org/faa-owner/STILLWATER%20FLYING%20SERVICE)
- Location: [Stillwater, OK](https://openairdocs.org/faa-place/OK/Stillwater)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N37431
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=37431
- Page: https://openairdocs.org/deregistered/N37431-1943-04-15

From the FAA registry file of November 7, 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 Interstate S-1A: https://openairdocs.org/model/interstate-s-1a.md

## Other aircraft with N37431

- [Cancelled 2014-10-02](https://openairdocs.org/deregistered/N37431-2014-10-02): Cessna 421C, S/N 421C0349, built 1977. Registration expired, pending cancellation. Owner: [Gardnerville Ranchos Assoc](https://openairdocs.org/faa-owner/GARDNERVILLE%20RANCHOS%20ASSOC), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City)

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