| Tail Number / N-Number | N391AC |
| Manufacturer | AMERICAN CHAMPION AIRCRAFT |
| Model | 8GCBC |
| Year Built | 1979 |
| Manufacturer's Serial Number | 400-98 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | PT6A SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 500 hp (373 kW) |
| Type of Registrant | Corporation |
| Owner Name | AMERICAN CHAMPION AIRCRAFT CORP |
| Street | PO BOX 37 |
| City | ROCHESTER |
| State | WI |
| Zip Code | 53167-0037 |
| Region | Great Lakes |
| County | Racine County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-10-18 |
| Last Action Date | 1998-12-04 |
| Status | Valid Registration |
| Mode S Code | 51103203 |
| Mode S Code Hex | A48683 |