| Tail Number / N-Number | N663KS |
| Manufacturer | SUBY KIRK A |
| Model | SONERAI II |
| Year Built | 1983 |
| Manufacturer's Serial Number | 663 |
| 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 | 0-145B SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Type of Registrant | Corporation |
| Owner Name | EAA CHAPTER 94 INC |
| Street | 3385 SARATOGA CT |
| City | MASON CITY |
| State | IA |
| Zip Code | 50401-4567 |
| Region | Central |
| County | Cerro Gordo County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1983-08-17 |
| Certificate Issue Date | 2019-11-26 |
| Last Action Date | 2022-07-05 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 52140120 |
| Mode S Code Hex | A8C050 |