| Tail Number / N-Number | N440SX |
| Manufacturer | BROCK BILLY E |
| Model | SONEX |
| Year Built | 2006 |
| Manufacturer's Serial Number | 440 |
| 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 | ESKEY CHARLES N III |
| Street | 6169 MOUNT CROSS RD |
| City | DANVILLE |
| State | VA |
| Zip Code | 24540-7021 |
| Region | Eastern |
| County | Danville city |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2006-08-15 |
| Certificate Issue Date | 2021-02-06 |
| Last Action Date | 2021-02-06 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 51246103 |
| Mode S Code Hex | A54C43 |