# N15684: Koss George K1, registration cancelled 1940-02-13

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 13, 1940
- Status when cancelled: Valid registration
- Airframe: [Koss George K1](https://openairdocs.org/model/koss-george-k1) (registry code 05636CL)
- Serial number: 1
- Type of aircraft: Glider
- Certificate issued: August 28, 1939
- Mode S code: A0E406
- Owner when cancelled: [George Koss](https://openairdocs.org/faa-owner/GEORGE%20KOSS)
- Location: [Johnstown, PA](https://openairdocs.org/faa-place/PA/Johnstown)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N15684
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=15684
- Page: https://openairdocs.org/deregistered/N15684-1940-02-13

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 Koss George K1: https://openairdocs.org/model/koss-george-k1.md

## Other aircraft with N15684

- [Registered now](https://openairdocs.org/aircraft/N15684): Piper PA-28R-200, S/N 28R-7335081, built 1972

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