| Tail Number / N-Number | N639Z |
| Manufacturer | AERO VODOCHODY |
| Model | L-39ZO |
| Manufacturer's Serial Number | 831137 |
| 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 | Corporation |
| Owner Name | PRIDE AIRCRAFT INC |
| Street | 6028 CESSNA DR |
| City | ROCKFORD |
| State | IL |
| Zip Code | 61109-4230 |
| Region | Great Lakes |
| County | Winnebago County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2017-01-17 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-01-31 |
| Status | Valid Registration |
| Mode S Code | 52060552 |
| Mode S Code Hex | A8616A |