| Tail Number / N-Number | N424SX |
| Manufacturer | KEN SCHULER |
| Model | SONEX |
| Manufacturer's Serial Number | 1243 |
| 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) |
| Number of Engines | 1 engine |
| Kit Manufacturer | SONEX AIRCRAFT LLC |
| Kit Model | SONEX |
| Type of Registrant | Individual |
| Owner Name | SCHULER KEN |
| Street | 2423 9TH AVENUE S |
| City | GRAND FORKS |
| State | ND |
| Zip Code | 58201 |
| Region | Great Lakes |
| County | Grand Forks County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2015-04-10 |
| Last Action Date | 2020-11-15 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 51206041 |
| Mode S Code Hex | A50C21 |