| Tail Number / N-Number | N899N |
| Manufacturer | WARREN JAMES M |
| Model | RV-4 |
| Manufacturer's Serial Number | 4472 |
| 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 | O-320-E2D |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 150 hp (112 kW) |
| Type of Registrant | Individual |
| Owner Name | RICHARDS VALLIN J |
| Street | 305 N 8TH ST |
| City | SPEARFISH |
| State | SD |
| Zip Code | 57783-2410 |
| Region | Great Lakes |
| County | Lawrence County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2012-12-05 |
| Certificate Issue Date | 2021-05-17 |
| Last Action Date | 2021-05-17 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 53063757 |
| Mode S Code Hex | AC67EF |