# N54378: Interstate S-1B1, registration cancelled 1949-03-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 1, 1949
- Status when cancelled: Valid registration
- Airframe: [Interstate S-1B1](https://openairdocs.org/model/interstate-s-1b1) (registry code 1850302)
- Data sheets: [TCDS A-754](https://openairdocs.org/tcds/A-754) (OpenAirDocs)
- Serial number: 188
- Type of aircraft: Fixed wing single engine
- Certificate issued: December 29, 1945
- Mode S code: A6E67F
- Owner when cancelled: [Brown Charles E & L Slade Brown](https://openairdocs.org/faa-owner/BROWN%20CHARLES%20E%20%26%20L%20SLADE%20BROWN)
- Location: [Orange, TX](https://openairdocs.org/faa-place/TX/Orange)
- Owner type: Partnership
- The mark today: https://openairdocs.org/aircraft/N54378
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=54378
- Page: https://openairdocs.org/deregistered/N54378-1949-03-01

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-1B1: https://openairdocs.org/model/interstate-s-1b1.md

## Other aircraft with N54378

- [Cancelled 1997-02-24](https://openairdocs.org/deregistered/N54378-1997-02-24): Cessna 172P, S/N 17274967. Triennial form not returned. Owner: [Deming Flying Svc Inc](https://openairdocs.org/faa-owner/DEMING%20FLYING%20SVC%20INC), [Deming, NM](https://openairdocs.org/faa-place/NM/Deming)
- [Cancelled 1974-01-15](https://openairdocs.org/deregistered/N54378-1974-01-15): Piper PA-34-200, S/N 347450058. Exported to United Kingdom. Owner: [Interflight Inc](https://openairdocs.org/faa-owner/INTERFLIGHT%20INC), [Ft Lauderdale, FL](https://openairdocs.org/faa-place/FL/Ft%20Lauderdale)
- [Cancelled 1945-10-03](https://openairdocs.org/deregistered/N54378-1945-10-03): Fairchild M-62A, S/N T41-1242. Owner: [Texas State College For Women](https://openairdocs.org/faa-owner/TEXAS%20STATE%20COLLEGE%20FOR%20WOMEN)

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