| Tail Number / N-Number | N203UM |
| Manufacturer | MENDOZA LUIS H |
| Model | CHALLENGER II |
| Manufacturer's Serial Number | CH2-0497-1601 |
| 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 |
| Type of Registrant | Individual |
| Owner Name | MALDONADO CESAR O |
| Street | HC 3 BOX 14462 |
| City | UTUADO |
| State | PR |
| Zip Code | 006416519 |
| Region | Southern |
| Country | RQ |
| Fractional Ownership | No |
| Certificate Issue Date | 2022-07-11 |
| Last Action Date | 2022-07-11 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 50317366 |
| Mode S Code Hex | A19EF6 |