| Tail Number / N-Number | N42CH |
| Manufacturer | HAWKINS-CARLETON |
| Model | PITTS SPECIAL S 1D |
| Year Built | 1979 |
| Manufacturer's Serial Number | CRH100100 |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | CLARK WILLIAM M |
| Street | 5757 THOMAS RD |
| City | ANN ARBOR |
| State | MI |
| Zip Code | 48108 |
| Region | Great Lakes |
| County | Washtenaw County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1980-03-17 |
| Certificate Issue Date | 1992-07-14 |
| Last Action Date | 2020-05-14 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 51174600 |
| Mode S Code Hex | A4F980 |