| Tail Number / N-Number | N8057C |
| Manufacturer | PIPER |
| Model | PA-18 |
| Year Built | 1954 |
| Manufacturer's Serial Number | 18-3405 |
| 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 | LYCOMING |
| Engine Model | 0-290 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 140 hp (104 kW) |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | TRENHOLM MICHAEL H |
| Other Names |
|
| Street | 446 NAVIGATOR |
| City | SPRING BRANCH |
| State | TX |
| Zip Code | 78070-6199 |
| Region | Southwestern |
| County | Comal County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-04-06 |
| Certificate Issue Date | 2015-06-30 |
| Last Action Date | 2021-01-22 |
| Expiration Date | 2028-06-30 |
| Status | Valid Registration |
| Mode S Code | 52573700 |
| Mode S Code Hex | AAF7C0 |