| Tail Number / N-Number | N599SX |
| Manufacturer | MARLETTE BOBBY F |
| Model | SONEX |
| Year Built | 2020 |
| Manufacturer's Serial Number | 0620 |
| 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 |
| Kit Manufacturer | SONEX AIRCRAFT LLC |
| Kit Model | SONEX |
| Type of Registrant | Individual |
| Owner Name | MARLETTE BOBBY F |
| Street | 1348 W OCEAN AVE |
| City | COEUR D ALENE |
| State | ID |
| Zip Code | 83815-8352 |
| Region | Northwest Mountain |
| County | Kootenai County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2021-10-27 |
| Certificate Issue Date | 2020-10-07 |
| Last Action Date | 2020-10-07 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 51740174 |
| Mode S Code Hex | A7C07C |