| Tail Number / N-Number | N449JS |
| Manufacturer | BEECH |
| Model | F90 |
| Year Built | 1980 |
| Manufacturer's Serial Number | LA100 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PT6A-135 |
| 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 | RSK AIR LLC |
| Street | 4411 BLUEBONNET DR STE 100 |
| City | STAFFORD |
| State | TX |
| Zip Code | 77477-2912 |
| Region | Southwestern |
| County | Fort Bend County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2013-03-08 |
| Certificate Issue Date | 2014-12-30 |
| Last Action Date | 2020-11-16 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 51266345 |
| Mode S Code Hex | A56CE5 |