| Tail Number / N-Number | N577CG |
| Manufacturer | OWENS JAMES M |
| Model | SONEX |
| Year Built | 2018 |
| Manufacturer's Serial Number | 1372 |
| 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 | VIKING |
| Engine Model | 110 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 110 hp (82 kW) |
| Kit Manufacturer | SONEX AIRCRAFT LLC |
| Kit Model | SONEX |
| Type of Registrant | Individual |
| Owner Name | OWENS JAMES M |
| Street | 2504 14TH AVE SW |
| City | ROCHESTER |
| State | MN |
| Zip Code | 55902-1182 |
| Region | Great Lakes |
| County | Olmsted County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2018-10-13 |
| Certificate Issue Date | 2018-03-13 |
| Last Action Date | 2020-10-12 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 51664243 |
| Mode S Code Hex | A768A3 |