| Tail Number / N-Number | N19GX |
| Manufacturer | GRAHAM GARY E |
| Model | RV-4 |
| Manufacturer's Serial Number | 19 |
| 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 | LLC |
| Owner Name | COURTNEY AIRCRAFT LLC |
| Street | 661 CHEMAWA RD N |
| City | KEIZER |
| State | OR |
| Zip Code | 97303-5334 |
| Region | Northwest Mountain |
| County | Marion County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2003-06-24 |
| Certificate Issue Date | 2019-10-01 |
| Last Action Date | 2022-05-15 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 50263176 |
| Mode S Code Hex | A1667E |