| Tail Number / N-Number | N254RM |
| Manufacturer | MILLER ROGER |
| Model | THATCHER CX4 |
| Manufacturer's Serial Number | 398 |
| 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 | WHIPPLE RODNEY D |
| Street | PO BOX 813 |
| City | ANGIER |
| State | NC |
| Zip Code | 27501-0813 |
| Region | Eastern |
| County | Harnett County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2011-06-13 |
| Certificate Issue Date | 2018-11-17 |
| Last Action Date | 2021-06-15 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 50463735 |
| Mode S Code Hex | A267DD |