| Tail Number / N-Number | N643MD |
| Manufacturer | RICHARDSON MICHAEL J |
| Model | WITTMAN TAILWIND W10 |
| Year Built | 2021 |
| Manufacturer's Serial Number | MR928 |
| 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 | LYCOMING |
| Engine Model | O-320-B2C |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 160 hp (119 kW) |
| Type of Registrant | Individual |
| Owner Name | PETERSON RANDALL D |
| Street | PO BOX 164 |
| City | VIROQUA |
| State | WI |
| Zip Code | 54665-0164 |
| Region | Great Lakes |
| County | Vernon County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2022-01-31 |
| Certificate Issue Date | 2022-09-10 |
| Last Action Date | 2022-09-10 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 52070567 |
| Mode S Code Hex | A87177 |