| Tail Number / N-Number | N540EZ |
| Manufacturer | ESSELSTYN CHRIS |
| Model | MODIFIED COZY MK 4 |
| Year Built | 2005 |
| Manufacturer's Serial Number | 003 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | IO-540-D4A5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | Individual |
| Owner Name | ESSELSTYN CHRIS D |
| Street | N2W27481 ARROWHEAD TRL |
| City | WAUKESHA |
| State | WI |
| Zip Code | 53188-1947 |
| Region | Great Lakes |
| County | Waukesha County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2005-07-10 |
| Certificate Issue Date | 2005-03-07 |
| Last Action Date | 2022-10-24 |
| Expiration Date | 2030-03-31 |
| Status | Valid Registration |
| Mode S Code | 51554150 |
| Mode S Code Hex | A6D868 |