| Tail Number / N-Number | N39WF |
| Manufacturer | AERO VODOCHODY |
| Model | L-39 |
| Year Built | 1982 |
| Manufacturer's Serial Number | 232218 |
| 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) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | NALLS AVIATION INC |
| Street | 301 DEER DR |
| City | LUSBY |
| State | MD |
| Zip Code | 20657-2725 |
| Region | Eastern |
| County | Calvert County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2022-07-11 |
| Certificate Issue Date | 2004-09-28 |
| Last Action Date | 2021-02-18 |
| Expiration Date | 2028-06-30 |
| Status | Valid Registration |
| Mode S Code | 51101152 |
| Mode S Code Hex | A4826A |