| Tail Number / N-Number | N596SX |
| Manufacturer | NIENHOUSE DONALD R |
| Model | SONEX |
| Year Built | 2007 |
| Manufacturer's Serial Number | 0596 |
| 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 | JABIRU |
| Engine Model | 3300 |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 120 hp (90 kW) |
| Kit Manufacturer | SONEX LTD |
| Kit Model | SONEX |
| Type of Registrant | Individual |
| Owner Name | NIENHOUSE DONALD R |
| Street | 921 CENTRAL AVE |
| City | DOWNERS GROVE |
| State | IL |
| Zip Code | 60516-4812 |
| Region | Great Lakes |
| County | DuPage County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-01-10 |
| Certificate Issue Date | 2007-10-04 |
| Last Action Date | 2021-04-10 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 51732527 |
| Mode S Code Hex | A7B557 |