| Tail Number / N-Number | N21CU |
| Manufacturer | PRITCHARD HAROLD R |
| Model | THATCHER CX4 |
| Manufacturer's Serial Number | 21 |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | PRITCHARD HAROLD R |
| Street | 20178 E 950TH ST |
| City | GENESEO |
| State | IL |
| Zip Code | 61254-8810 |
| Region | Great Lakes |
| County | Henry County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2010-04-28 |
| Last Action Date | 2022-12-05 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 50333556 |
| Mode S Code Hex | A1B76E |