| Tail Number / N-Number | N899DH |
| Manufacturer | HARMON RICHARD C |
| Model | VANS RV-4 |
| Year Built | 2010 |
| Manufacturer's Serial Number | 4517 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AEROSPORT |
| Engine Model | O-360 A2A |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Kit Manufacturer | VANS AIRCRAFT INC |
| Kit Model | RV-4 |
| Type of Registrant | Individual |
| Owner Name | SCHIFFER PATRICK M |
| Street | 3307 N SHEPARDSVILLE RD |
| City | OVID |
| State | MI |
| Zip Code | 48866-9667 |
| Region | Great Lakes |
| County | Clinton County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2010-06-09 |
| Certificate Issue Date | 2020-04-27 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-04-30 |
| Status | Valid Registration |
| Mode S Code | 53063426 |
| Mode S Code Hex | AC6716 |