| Tail Number / N-Number | N38SX |
| Manufacturer | GREGORY EDWARD G JR |
| Model | SX-300 |
| Year Built | 2007 |
| Manufacturer's Serial Number | 0038 |
| 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 | LYCOMING |
| Engine Model | IO-540-L1C5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Kit Manufacturer | SWEARINGEN |
| Kit Model | SX300 |
| Type of Registrant | Individual |
| Owner Name | GREGORY EDWARD G |
| Street | 20821 HEMLOCK ST |
| City | GROVELAND |
| State | CA |
| Zip Code | 95321 |
| Region | Western-Pacific |
| County | Tuolumne County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-07-01 |
| Certificate Issue Date | 2007-02-14 |
| Last Action Date | 2022-02-23 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 51055227 |
| Mode S Code Hex | A45A97 |