| Tail Number / N-Number | N503LM |
| Manufacturer | RAYTHEON AIRCRAFT COMPANY |
| Model | B300 |
| Year Built | 1997 |
| Manufacturer's Serial Number | FL-182 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 19 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | PT6A SER |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 750 hp (560 kW) |
| Total Horsepower | 1,500 hp (1,119 kW) |
| Type of Registrant | LLC |
| Owner Name | BIG SKY LLC |
| Street | 166 E 14000 S STE 210 |
| City | DRAPER |
| State | UT |
| Zip Code | 84020-5455 |
| Region | Northwest Mountain |
| County | Salt Lake County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1997-11-22 |
| Certificate Issue Date | 2015-07-06 |
| Last Action Date | 2021-02-16 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 51443033 |
| Mode S Code Hex | A6461B |