| Tail Number / N-Number | N999MS |
| Manufacturer | CESSNA |
| Model | 501 |
| Year Built | 1981 |
| Manufacturer's Serial Number | 501-0230 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | JT15D 5 SER |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 2,900 pounds-force (12.9 kN) |
| Total Thrust | 5,800 pounds-force (25.8 kN) |
| Type of Registrant | LLC |
| Owner Name | LIBERTY AIR LLC |
| Street | 700 CLOUDCROSSING CIR |
| City | PRESCOTT |
| State | AZ |
| Zip Code | 86303-6765 |
| Region | Western-Pacific |
| County | Yavapai County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1998-06-19 |
| Certificate Issue Date | 2023-01-02 |
| Last Action Date | 2023-01-02 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 53372466 |
| Mode S Code Hex | ADF536 |