| Tail Number / N-Number | N31GC |
| Manufacturer | CRAIG GEORGE SANDERS |
| Model | RUTAN VARIVIGGEN |
| Manufacturer's Serial Number | 330 |
| 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 | 0-360-A1D |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Co-Ownership |
| Owner Name | SILVA WILLIAM R |
| Other Names |
|
| Street | 2029 WOODBRIDGE LN |
| City | LINCOLN |
| State | CA |
| Zip Code | 95648-8655 |
| Region | Western-Pacific |
| County | Placer County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1989-02-24 |
| Certificate Issue Date | 2022-11-18 |
| Last Action Date | 2022-11-18 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 50642421 |
| Mode S Code Hex | A34511 |