| Tail Number / N-Number | N559AJ |
| Manufacturer | PILATUS |
| Model | PC-12/45 |
| Year Built | 1995 |
| Manufacturer's Serial Number | 113 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PT6A-67B |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 1,200 hp (895 kW) |
| Type of Registrant | Corporation |
| Owner Name | BILLINGS FLYING SERVICE INC |
| Street | 3655 AJ WAY |
| City | BILLINGS |
| State | MT |
| Zip Code | 59106-9745 |
| Region | Northwest Mountain |
| County | Yellowstone County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2019-05-28 |
| Certificate Issue Date | 2019-03-04 |
| Last Action Date | 2021-10-15 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 51620343 |
| Mode S Code Hex | A720E3 |