| Tail Number / N-Number | N257SX |
| Manufacturer | OWENS DON M |
| Model | SONEX |
| Year Built | 2008 |
| Manufacturer's Serial Number | 00257 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| 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 |
| Type of Registrant | Individual |
| Owner Name | OWENS DON M |
| Street | 928 DEE LN |
| City | BEDFORD |
| State | TX |
| Zip Code | 76022-7217 |
| Region | Southwestern |
| County | Tarrant County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-04-26 |
| Certificate Issue Date | 2008-04-01 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-03-31 |
| Status | Valid Registration |
| Mode S Code | 50471445 |
| Mode S Code Hex | A27325 |