| Tail Number / N-Number | N44SX |
| Manufacturer | SIEBERTS JOHN |
| Model | SONEX |
| Year Built | 2006 |
| Manufacturer's Serial Number | 863 |
| 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 | CULTRA MICHAEL J |
| Street | 5036 SKYLINE BLVD |
| City | CAPE CORAL |
| State | FL |
| Zip Code | 33914-6534 |
| Region | Southern |
| County | Lee County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2006-11-15 |
| Certificate Issue Date | 2023-01-13 |
| Last Action Date | 2023-01-13 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 51244752 |
| Mode S Code Hex | A549EA |