Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4526G.
| Tail Number / N-Number | N4526G |
| Manufacturer | PIONTKOWSKI JEFFREY J |
| Model | CHALLENGER LSS |
| Year Built | 2008 |
| Manufacturer's Serial Number | CH2-1206-LSS-0111 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 503 DCDI |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 52 hp (39 kW) |
| Kit Manufacturer | QUAD CITY ULTRALIGHT ACFT CORP |
| Kit Model | CHALLENGER II |
| Type of Registrant | Individual |
| Owner Name | PIONTKOWSKI JEFFERY J |
| Street | 7896 S SUGAR ST |
| City | CHEBANSE |
| State | IL |
| Zip Code | 60922-5189 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-05-08 |
| Certificate Issue Date | 2008-02-25 |
| Last Action Date | 2008-06-25 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2015-05-05 |
| Mode S Code | 51276273 |
| Mode S Code Hex | A57CBB |