| Tail Number / N-Number | N1185D |
| Manufacturer | GROSHONG ROBERT J |
| Model | RV-4 |
| Year Built | 1995 |
| Manufacturer's Serial Number | 1227 |
| 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 | GROSHONG ROBERT J |
| Street | 12771 W BURKMILL RD |
| City | YORKTOWN |
| State | IN |
| Zip Code | 47396 |
| Region | Great Lakes |
| County | Delaware County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1995-07-03 |
| Certificate Issue Date | 1994-06-27 |
| Last Action Date | 2020-03-03 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 50046366 |
| Mode S Code Hex | A04CF6 |