| Tail Number / N-Number | N857S |
| Manufacturer | PIPER |
| Model | PA-28-181 |
| Year Built | 1981 |
| Manufacturer's Serial Number | 28-8190224 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SJS AVIATION CO |
| Street | 1611 E 2ND ST STE 1304 |
| City | CASPER |
| State | WY |
| Zip Code | 82601-3004 |
| Region | Northwest Mountain |
| County | Natrona County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1981-04-02 |
| Certificate Issue Date | 2014-05-13 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 52741351 |
| Mode S Code Hex | ABC2E9 |