| Tail Number / N-Number | N18LR |
| Manufacturer | ROBBINS LAINE |
| Model | RV 4 |
| Manufacturer's Serial Number | 313 |
| 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | GARDNER TERRENCE L |
| Street | 191 FALCONS WAY |
| City | PITTSBORO |
| State | NC |
| Zip Code | 27312-6198 |
| Region | Eastern |
| County | Chatham County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1987-11-12 |
| Certificate Issue Date | 2018-04-18 |
| Last Action Date | 2021-03-23 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 50237535 |
| Mode S Code Hex | A13F5D |