| Tail Number / N-Number | N4BS |
| Manufacturer | SIDLINGER |
| Model | PITTS S-1 |
| Year Built | 1976 |
| Manufacturer's Serial Number | 1 |
| 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 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 108 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WESTFALL BRENT J |
| Street | 825 LEATZOW RD |
| City | THREE LAKES |
| State | WI |
| Zip Code | 54562-9753 |
| Region | Great Lakes |
| County | Oneida County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1979-06-11 |
| Certificate Issue Date | 2015-08-10 |
| Last Action Date | 2021-05-18 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51124031 |
| Mode S Code Hex | A4A819 |