# N9728: 1929 Loening Aeronautical Engrg AMPHIBIAN BIPLANE, registration cancelled 1933-11-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 15, 1933
- Status when cancelled: Valid registration
- Airframe: [Loening Aeronautical Engrg AMPHIBIAN BIPLANE](https://openairdocs.org/model/loening-aeronautical-engrg-amphibian-biplane) (registry code 4900100)
- Serial number: 216
- Year built: 1929
- Type of aircraft: Fixed wing single engine
- Certificate issued: March 12, 1933
- Mode S code: AD8E83
- Owner when cancelled: [Gorst Air Transport Inc](https://openairdocs.org/faa-owner/GORST%20AIR%20TRANSPORT%20INC)
- Location: [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N9728
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9728
- Page: https://openairdocs.org/deregistered/N9728-1933-11-15

From the FAA registry file of November 3, 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 Loening Aeronautical Engrg AMPHIBIAN BIPLANE: https://openairdocs.org/model/loening-aeronautical-engrg-amphibian-biplane.md

## Other aircraft with N9728

- [Cancelled 2012-10-30](https://openairdocs.org/deregistered/N9728-2012-10-30): Grumman Acft ENG Cor-Schweizer G-164A, S/N 1246, built 1974. Third renewal notice. Owner: [Abbeville Air Service Inc](https://openairdocs.org/faa-owner/ABBEVILLE%20AIR%20SERVICE%20INC), [Abbeville, LA](https://openairdocs.org/faa-place/LA/Abbeville)

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