Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N166S.
| Tail Number / N-Number | N166S |
| Manufacturer | SHEPHERD |
| Model | PITTS SPECIAL S-1S |
| Year Built | 1977 |
| Manufacturer's Serial Number | S-2 |
| 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 | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | BRAVENEC INVESTMENT INC |
| Street | 17 HOLLY SPRINGS |
| City | CONROE |
| State | TX |
| Zip Code | 77302 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1979-05-18 |
| Certificate Issue Date | 1982-05-18 |
| Last Action Date | 2000-04-20 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2012-08-10 |
| Mode S Code | 50204610 |
| Mode S Code Hex | A10988 |