| Tail Number / N-Number | N450PF |
| Manufacturer | FLEUREN PAUL |
| Model | CHALLENGER II |
| Manufacturer's Serial Number | CH2-0101-2051 |
| 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) |
| Number of Engines | 1 engine |
| Kit Manufacturer | QUAD CITY ULTRALIGHT ACFT CORP |
| Kit Model | CHALLENGER II |
| Type of Registrant | Individual |
| Owner Name | FLEUREN PAUL J |
| Street | 5100 STEPLADDER RD |
| City | PARMA |
| State | MI |
| Zip Code | 49269-9314 |
| Region | Great Lakes |
| County | Jackson County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2003-10-24 |
| Last Action Date | 2021-02-17 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 51271547 |
| Mode S Code Hex | A57367 |