| Tail Number / N-Number | N15857 |
| Manufacturer | REARWIN |
| Model | 7000 |
| Year Built | 1936 |
| Manufacturer's Serial Number | 458 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | KEN ROYCE |
| Engine Model | 90-5 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 90 hp (67 kW) |
| Average Cruising Speed | 78 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BUCHNER ALAN L |
| Street | 20885 HEMLOCK |
| City | GROVELAND |
| State | CA |
| Zip Code | 95321 |
| Region | Western-Pacific |
| County | Tuolumne County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1962-11-20 |
| Certificate Issue Date | 2014-03-07 |
| Last Action Date | 2022-10-18 |
| Expiration Date | 2030-03-31 |
| Status | Valid Registration |
| Mode S Code | 50165416 |
| Mode S Code Hex | A0EB0E |