| Tail Number / N-Number | N139EZ |
| Manufacturer | HEITKOTTER |
| Model | RUTAN VARI-EZE |
| Year Built | 1977 |
| Manufacturer's Serial Number | 139 |
| 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 | CONT MOTOR |
| Engine Model | 0-200 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Average Cruising Speed | 85 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KOERNER BRIAN J |
| Street | 8511 DAVIS RD |
| City | MAINEVILLE |
| State | OH |
| Zip Code | 45039-9710 |
| Region | Great Lakes |
| County | Warren County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1979-05-09 |
| Certificate Issue Date | 2014-08-11 |
| Last Action Date | 2020-07-09 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 50116434 |
| Mode S Code Hex | A09D1C |