| Tail Number / N-Number | N438LL |
| Manufacturer | LEARN MARTIN J |
| Model | CHALLENGER II |
| Manufacturer's Serial Number | CH2-0106-2710 |
| 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 | LEARN MARTIN J |
| Street | 305 SAMPLES DR |
| City | JOSEPH |
| State | OR |
| Zip Code | 97846-8366 |
| Region | Northwest Mountain |
| County | Wallowa County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2011-03-02 |
| Last Action Date | 2023-02-08 |
| Expiration Date | 2027-03-31 |
| Status | Valid Registration |
| Mode S Code | 51240733 |
| Mode S Code Hex | A541DB |