| Tail Number / N-Number | N491SG |
| Manufacturer | GOTT SHELBY L |
| Model | RV-8 |
| Year Built | 2008 |
| Manufacturer's Serial Number | 80491 |
| 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-360-M1B |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Kit Manufacturer | VANS AIRCRAFT INC |
| Kit Model | RV-8 |
| Type of Registrant | Individual |
| Owner Name | GOTT SHELBY L |
| Street | 1645 W VALENCIA RD STE 109 PMB 238 |
| City | TUCSON |
| State | AZ |
| Zip Code | 85746-6099 |
| Region | Western-Pacific |
| County | Pima County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-03-11 |
| Certificate Issue Date | 2007-03-12 |
| Last Action Date | 2022-05-19 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 51412546 |
| Mode S Code Hex | A61566 |