| Tail Number / N-Number | N273CM |
| Manufacturer | MAUPIN CLAY C |
| Model | THATCHER CX4 |
| Year Built | 2016 |
| Manufacturer's Serial Number | 002 |
| 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 | GREATPLAIN |
| Engine Model | GREATPLAIN VW |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Type of Registrant | Individual |
| Owner Name | COOK MICHAEL T |
| Street | 2620 N 67TH ST |
| City | WAUWATOSA |
| State | WI |
| Zip Code | 53213-1445 |
| Region | Great Lakes |
| County | Milwaukee County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2021-06-21 |
| Certificate Issue Date | 2022-09-29 |
| Last Action Date | 2022-09-29 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 50530737 |
| Mode S Code Hex | A2B1DF |