| Tail Number / N-Number | N815SB |
| Manufacturer | CESSNA |
| Model | 425 |
| Year Built | 1981 |
| Manufacturer's Serial Number | 425-0112 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PT6A-60A |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 1,050 hp (783 kW) |
| Total Horsepower | 2,100 hp (1,567 kW) |
| Type of Registrant | Partnership |
| Owner Name | SIERRA BRAVO PARTNERSHIP |
| Street | PO BOX 945 |
| City | LIBERAL |
| State | KS |
| Zip Code | 67905-0945 |
| Region | Central |
| County | Seward County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1981-10-06 |
| Certificate Issue Date | 2020-04-20 |
| Last Action Date | 2022-11-16 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 52616601 |
| Mode S Code Hex | AB1D81 |