| Tail Number / N-Number | N66UN |
| Manufacturer | ROBERT WILLIS |
| Model | RV-6 |
| Year Built | 2013 |
| Manufacturer's Serial Number | 60342 |
| 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 | LYCOMING |
| Engine Model | IO-360-C1E6 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Kit Manufacturer | VANS AIRCRAFT INC |
| Kit Model | RV-6A |
| Type of Registrant | Individual |
| Owner Name | WILLIS ROBERT L |
| Street | 2676 CONCORD RD |
| City | HAVANA |
| State | FL |
| Zip Code | 32333-4015 |
| Region | Southern |
| County | Gadsden County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2013-09-28 |
| Certificate Issue Date | 2013-08-02 |
| Last Action Date | 2022-03-09 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 52131657 |
| Mode S Code Hex | A8B3AF |