| Tail Number / N-Number | N4439L |
| Manufacturer | LEWIS JACOB T JR |
| Model | CYGNET SF2A |
| Year Built | 1984 |
| Manufacturer's Serial Number | 125 |
| 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 | VOLKSWAGEN |
| Engine Model | CONVERSION |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 36 hp (27 kW) |
| Type of Registrant | Individual |
| Owner Name | MORRIS FRANCIS B |
| Street | 8 MADISON AVE |
| City | FLEMINGTON |
| State | NJ |
| Zip Code | 08822-3306 |
| Region | Eastern |
| County | Hunterdon County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1985-04-29 |
| Certificate Issue Date | 2017-06-29 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 51254540 |
| Mode S Code Hex | A55960 |