| Tail Number / N-Number | N740AB |
| Manufacturer | QUAD CITY ULTRALIGHT ACFT CORP |
| Model | CHALLENGER II |
| Manufacturer's Serial Number | SF001 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| 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) |
| Type of Registrant | Individual |
| Owner Name | GAMBLE DENNIS H |
| Street | 297 GREEN BRIAR DR |
| City | COTTONWOOD |
| State | AL |
| Zip Code | 36320-3191 |
| Region | Southern |
| County | Houston County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-01-27 |
| Certificate Issue Date | 2013-08-05 |
| Last Action Date | 2022-08-29 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 52371214 |
| Mode S Code Hex | A9F28C |