| Tail Number / N-Number | N558JS |
| Manufacturer | SCHROCK J D/SCHROCK K L |
| Model | RV-4 |
| Manufacturer's Serial Number | 360 |
| 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 | Co-Ownership |
| Owner Name | SCHROCK JAMES D |
| Other Names |
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| Street | 29155 HURLBURT RD |
| City | CORVALLIS |
| State | OR |
| Zip Code | 97333-9424 |
| Region | Northwest Mountain |
| County | Benton County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1996-06-25 |
| Certificate Issue Date | 2018-04-23 |
| Last Action Date | 2021-03-10 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 51616774 |
| Mode S Code Hex | A71DFC |