| Tail Number / N-Number | N404JS |
| Manufacturer | U-FLY-IT LIGHT SPORT ACFT LLC |
| Model | CHALLENGER II |
| Year Built | 2007 |
| Manufacturer's Serial Number | CH2-0605-CW-2640 |
| 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 | HKS |
| Engine Model | 700E |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 60 hp (45 kW) |
| Type of Registrant | Individual |
| Owner Name | SPEARS JASON M |
| Street | 5412 AIR PARK LOOP E |
| City | GREEN COVE SPRINGS |
| State | FL |
| Zip Code | 32043-4954 |
| Region | Southern |
| County | Clay County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-11-13 |
| Certificate Issue Date | 2022-09-20 |
| Last Action Date | 2022-09-20 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 51136126 |
| Mode S Code Hex | A4BC56 |