| Tail Number / N-Number | N646GT |
| Manufacturer | MATHIS SPORT AVIATORS LLC |
| Model | RANS S-6S |
| Year Built | 2014 |
| Manufacturer's Serial Number | 001 |
| 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 | ROTAX |
| Engine Model | 912ULS3 |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Kit Manufacturer | RANS INC |
| Kit Model | S-6S |
| Type of Registrant | LLC |
| Owner Name | MATHIS SPORT AVIATORS LLC |
| Street | 3640 RIDGEWAY TER |
| City | SUWANEE |
| State | GA |
| Zip Code | 30024-1083 |
| Region | Southern |
| County | Gwinnett County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2014-02-22 |
| Certificate Issue Date | 2013-11-04 |
| Last Action Date | 2022-07-23 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 52076055 |
| Mode S Code Hex | A87C2D |