# N37409: 1942 Interstate S-1A, registration cancelled 1947-12-10

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 10, 1947
- 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: 252
- Year built: 1942
- Type of aircraft: Fixed wing single engine
- Certificate issued: March 21, 1946
- Mode S code: A44521
- Owner when cancelled: [Austin Aero Services](https://openairdocs.org/faa-owner/AUSTIN%20AERO%20SERVICES)
- Location: [Austin, TX](https://openairdocs.org/faa-place/TX/Austin)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N37409
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=37409
- Page: https://openairdocs.org/deregistered/N37409-1947-12-10

From the FAA registry file of November 4, 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 N37409

- [Registered now](https://openairdocs.org/aircraft/N37409): Boeing 737-924, S/N 30126, built 2001

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