| Tail Number / N-Number | N66DE |
| Manufacturer | BRUNKALLA GEORGE F |
| Model | RV-4 |
| Year Built | 2002 |
| Manufacturer's Serial Number | 3807 |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Kit Manufacturer | VANS AIRCRAFT INC |
| Kit Model | RV-4 |
| Type of Registrant | Individual |
| Owner Name | HIGGINSON ROBERT W |
| Street | 26200 W AIRPORT RD |
| City | MINOOKA |
| State | IL |
| Zip Code | 60447-9220 |
| Region | Great Lakes |
| County | Grundy County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2002-08-19 |
| Certificate Issue Date | 2004-02-12 |
| Last Action Date | 2022-03-11 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 52131060 |
| Mode S Code Hex | A8B230 |