| Tail Number / N-Number | N157JP |
| Manufacturer | PARLE JOHN T |
| Model | RV-4 |
| Year Built | 2000 |
| Manufacturer's Serial Number | 224 |
| 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 | PARLE JOHN T |
| Street | 2250 UTAH AVE |
| City | THOR |
| State | IA |
| Zip Code | 50591-8800 |
| Region | Central |
| County | Humboldt County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2000-04-18 |
| Certificate Issue Date | 1997-01-22 |
| Last Action Date | 2022-09-26 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 50162406 |
| Mode S Code Hex | A0E506 |