# N5108Y: 1997 Curtis Mark Allen CHALLENGER II, registration cancelled 2019-11-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 4, 2019
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Curtis Mark Allen CHALLENGER II](https://openairdocs.org/model/curtis-mark-allen-challenger-ii) (registry code 05607QE)
- Engine: [Rotax 503 DCDI](https://openairdocs.org/engine/rotax-503-dcdi) (registry code 55566)
- Serial number: CH2-0397-1585
- Year built: 1997
- Type of aircraft: Fixed wing single engine
- Engine type: 2 cycle
- Kit: Quad City Ultralight Acft Corp CHALLENGER II
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: July 25, 2007
- Certificate issued: July 18, 2016
- Last registry action: July 18, 2016
- Mode S code: A664F6
- Owner when cancelled: [Thum Nathan R](https://openairdocs.org/faa-owner/THUM%20NATHAN%20R)
- Location: [Granby, CO](https://openairdocs.org/faa-place/CO/Granby)
- Owner type: Individual
- Owner's area on the map: 40.1639° N, 105.9346° W: Placed by OpenAirDocs at the center of ZIP code 80446, within about 11 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N5108Y
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5108Y
- Page: https://openairdocs.org/deregistered/N5108Y-2019-11-04

From the FAA registry file of November 5, 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 Curtis Mark Allen CHALLENGER II: https://openairdocs.org/model/curtis-mark-allen-challenger-ii.md

## Other aircraft with N5108Y

- [Cancelled 1974-08-02](https://openairdocs.org/deregistered/N5108Y-1974-08-02): Piper PA-23-250, S/N 27-2135, built 1962. Exported to Canada. Owner: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)

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