| Tail Number / N-Number | N639PJ |
| Manufacturer | AERO VODOCHODY |
| Model | L39C |
| Year Built | 1978 |
| Manufacturer's Serial Number | 831142 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | MOTOR-SICH |
| Engine Model | AI-25TL |
| Engine Type | Turbo-fan |
| Number of Engines | 1 engine |
| Thrust | 1,720 pounds-force (7.7 kN) |
| Type of Registrant | Corporation |
| Owner Name | REDSTAR AIR SHOWS INC |
| Street | 5592 DRAKES DR |
| City | DISCOVERY BAY |
| State | CA |
| Zip Code | 94505-9397 |
| Region | Western-Pacific |
| County | Alameda County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2015-02-05 |
| Certificate Issue Date | 2011-08-26 |
| Last Action Date | 2020-03-16 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 52060171 |
| Mode S Code Hex | A86079 |