| Tail Number / N-Number | N911UL |
| Manufacturer | QUAD CITY ULTRALIGHT ACFT CORP |
| Model | CHALLENGER I |
| Manufacturer's Serial Number | 403 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 1 seat |
| 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 | HEIMBUCH RUSSELL D |
| Street | 3432 23RD ST S |
| City | MOORHEAD |
| State | MN |
| Zip Code | 56560-5314 |
| Region | Great Lakes |
| County | Clay County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-09-15 |
| Certificate Issue Date | 2022-05-26 |
| Last Action Date | 2022-12-28 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 53116057 |
| Mode S Code Hex | AC9C2F |