| Tail Number / N-Number | N211WS |
| Manufacturer | SMITH WILLIAM JOSEPH |
| Model | PITTS SIS |
| Manufacturer's Serial Number | WS 001 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | I0360 SER A&C |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Type of Registrant | Individual |
| Owner Name | SMITH WILLIAM J |
| Street | 8611 UVA DR |
| City | REDWOOD VALLEY |
| State | CA |
| Zip Code | 95470-6225 |
| Region | Western-Pacific |
| County | Mendocino County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1990-04-04 |
| Certificate Issue Date | 2019-04-01 |
| Last Action Date | 2021-11-08 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 50337476 |
| Mode S Code Hex | A1BF3E |