| Tail Number / N-Number | N821SF |
| Manufacturer | BEECH |
| Model | 1900C |
| Year Built | 1990 |
| Manufacturer's Serial Number | UC-121 |
| 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 CANADA |
| Engine Model | PT6A-65B |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 1,173 hp (875 kW) |
| Total Horsepower | 2,346 hp (1,750 kW) |
| Type of Registrant | Corporation |
| Owner Name | ALPINE AVIATION INC |
| Street | 1177 ALPINE AIR WAY |
| City | PROVO |
| State | UT |
| Zip Code | 84601-8270 |
| Region | Northwest Mountain |
| County | Utah County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2011-11-01 |
| Certificate Issue Date | 2015-01-21 |
| Last Action Date | 2020-08-13 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 52633050 |
| Mode S Code Hex | AB3628 |