| Tail Number / N-Number | N4750S |
| Manufacturer | KALLENBERGER PHILIP E |
| Model | RV-4 |
| Manufacturer's Serial Number | 519 |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | KALLENBERGER PHILIP E |
| Street | 38855 CURTIS RD |
| City | HEMET |
| State | CA |
| Zip Code | 92543-9100 |
| Region | Western-Pacific |
| County | Riverside County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2015-03-16 |
| Last Action Date | 2020-10-14 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 51353026 |
| Mode S Code Hex | A5D616 |