| Tail Number / N-Number | N522FS |
| Manufacturer | ARGENCE ENAS A |
| Model | RV-4 |
| Year Built | 1989 |
| Manufacturer's Serial Number | 005 |
| 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 | I0360 SER A&C |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Type of Registrant | Individual |
| Owner Name | PENROD ALAN E |
| Street | PO BOX 692 |
| City | HIGH ROLLS |
| State | NM |
| Zip Code | 88325 |
| Region | Southwestern |
| County | Otero County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1997-02-19 |
| Certificate Issue Date | 2006-10-10 |
| Last Action Date | 2021-04-03 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51510352 |
| Mode S Code Hex | A690EA |