| Tail Number / N-Number | N157SG |
| Manufacturer | CESSNA |
| Model | 340 |
| Year Built | 1973 |
| Manufacturer's Serial Number | 340-0154 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | TSIO-520 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 300 hp (224 kW) |
| Total Horsepower | 600 hp (448 kW) |
| Average Cruising Speed | 88 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | RICHLAND AVIATION INC |
| Street | PO BOX 701 |
| City | SIDNEY |
| State | MT |
| Zip Code | 59270-0701 |
| Region | Northwest Mountain |
| County | Richland County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1982-03-23 |
| Certificate Issue Date | 2011-04-16 |
| Last Action Date | 2022-11-20 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 50162707 |
| Mode S Code Hex | A0E5C7 |