| Tail Number / N-Number | N456RK |
| Manufacturer | KOLLER REX E |
| Model | ROTORWAY EXEC |
| Year Built | 1984 |
| Manufacturer's Serial Number | 1521727 |
| Aircraft Type | Rotorcraft |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Kit Manufacturer | ROTORWAY INTL |
| Kit Model | EXECUTIVE |
| Type of Registrant | Individual |
| Owner Name | DUKE PATRICK E |
| Street | 3616 FAR WEST BLVD |
| City | AUSTIN |
| State | TX |
| Zip Code | 78731-3082 |
| Region | Southwestern |
| County | Travis County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-12-13 |
| Certificate Issue Date | 2017-07-14 |
| Last Action Date | 2020-04-28 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 51304747 |
| Mode S Code Hex | A589E7 |