| Tail Number / N-Number | N4253G |
| Manufacturer | COOKE/QUAD CITY ULTRALIGHT ACF |
| Model | CHALLENGER II SPECIA |
| Year Built | 1996 |
| Manufacturer's Serial Number | CH21293CW1062 |
| 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 | BOMBARDIER |
| Engine Model | ROTAX (ALL) |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | RILEY THOMAS E |
| Street | 3211 TREBES DR |
| City | HARVARD |
| State | IL |
| Zip Code | 60033-9456 |
| Region | Great Lakes |
| County | McHenry County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1996-05-18 |
| Certificate Issue Date | 2013-02-12 |
| Last Action Date | 2022-01-14 |
| Expiration Date | 2029-02-28 |
| Status | Valid Registration |
| Mode S Code | 51210372 |
| Mode S Code Hex | A510FA |