| Tail Number / N-Number | N221CV |
| Manufacturer | MEARS ROBERT A |
| Model | RV-4 |
| Year Built | 2012 |
| Manufacturer's Serial Number | 4021 |
| 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 | O-320-D2J |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 160 hp (119 kW) |
| Kit Manufacturer | VANS AIRCRAFT INC |
| Kit Model | RV-4 |
| Type of Registrant | Individual |
| Owner Name | MEARS ROBERT A |
| Street | 208 LITTLETON LOOP |
| City | DOWNSVILLE |
| State | LA |
| Zip Code | 71234-3438 |
| Region | Southwestern |
| County | Union Parish |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2012-09-14 |
| Certificate Issue Date | 2011-04-06 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-04-30 |
| Status | Valid Registration |
| Mode S Code | 50362376 |
| Mode S Code Hex | A1E4FE |