| Tail Number / N-Number | N66SX |
| Manufacturer | GAINFORT GORDON D |
| Model | S6ES |
| Manufacturer's Serial Number | 1292399 |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | MONZINGO BENJAMIN M |
| Street | 1202 BROOKHAVEN DR |
| City | CANYON |
| State | TX |
| Zip Code | 79015-5212 |
| Region | Southwestern |
| County | Randall County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1993-12-16 |
| Certificate Issue Date | 2019-08-15 |
| Last Action Date | 2022-08-08 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 52131606 |
| Mode S Code Hex | A8B386 |