| Tail Number / N-Number | N435FS |
| Manufacturer | BAIRD ROBERT J |
| Model | SONNERAI II |
| Year Built | 1991 |
| Manufacturer's Serial Number | 0062SL |
| 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 | CONT MOTOR |
| Engine Model | C90 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 95 hp (71 kW) |
| Type of Registrant | Individual |
| Owner Name | BAIRD ALAN J |
| Street | 12011 US HIGHWAY 12 |
| City | NACHES |
| State | WA |
| Zip Code | 98937-9223 |
| Region | Northwest Mountain |
| County | Yakima County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2005-07-28 |
| Certificate Issue Date | 2005-07-13 |
| Last Action Date | 2020-12-13 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 51233077 |
| Mode S Code Hex | A5363F |