| Tail Number / N-Number | N4478W |
| Manufacturer | ROBINSON HELICOPTER CO |
| Model | R66 |
| Year Built | 2012 |
| Manufacturer's Serial Number | 0116 |
| 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 | Corporation |
| Owner Name | BANK OF UTAH TRUSTEE |
| Street | 50 S 200 E STE 110 |
| City | SALT LAKE CITY |
| State | UT |
| Zip Code | 84111-1617 |
| Region | Northwest Mountain |
| County | Salt Lake County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2012-04-12 |
| Certificate Issue Date | 2012-04-24 |
| Last Action Date | 2021-01-05 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 51264043 |
| Mode S Code Hex | A56823 |