| Tail Number / N-Number | N585DH |
| Manufacturer | HERRMANN DAVID |
| Model | BENSON MODIFIED |
| Year Built | 2005 |
| Manufacturer's Serial Number | H081406 |
| Aircraft Type | Gyroplane |
| 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 | SUBARU |
| Engine Model | ALL MDLS A/B |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 400 hp (298 kW) |
| Type of Registrant | Individual |
| Owner Name | HERRMANN DAVID B |
| Street | PO BOX 111 |
| City | BUNKER HILL |
| State | IL |
| Zip Code | 62014-0111 |
| Region | Great Lakes |
| County | Macoupin County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2006-10-15 |
| Certificate Issue Date | 2006-09-08 |
| Last Action Date | 2021-03-15 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 51704316 |
| Mode S Code Hex | A788CE |