| Tail Number / N-Number | N641RZ |
| Manufacturer | ROBINSON HELICOPTER CO |
| Model | R66 |
| Year Built | 2011 |
| Manufacturer's Serial Number | 0028 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROLLS-ROYC |
| Engine Model | 250-C300 |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | LLC |
| Owner Name | IRON HORSE AVIATION LLC |
| Street | 3066 TAYLOR AVE |
| City | GILMAN |
| State | IA |
| Zip Code | 50106-9479 |
| Region | Central |
| County | Marshall County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Multiple |
| Airworthiness Date | 2021-07-01 |
| Certificate Issue Date | 2021-03-31 |
| Last Action Date | 2021-03-31 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 52065201 |
| Mode S Code Hex | A86A81 |