| Tail Number / N-Number | N1557P |
| Manufacturer | PIPER |
| Model | PA-18-135 |
| Year Built | 1954 |
| Manufacturer's Serial Number | 18-3711 |
| 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | NORBERG ROBERT B |
| Other Names |
|
| Street | PO BOX 1875 |
| City | HOMER |
| State | AK |
| Zip Code | 99603-1875 |
| Region | Alaskan |
| County | Kenai Peninsula Borough |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1975-01-16 |
| Certificate Issue Date | 2020-09-28 |
| Last Action Date | 2020-09-28 |
| Expiration Date | 2027-09-30 |
| Status | Valid Registration |
| Mode S Code | 50160035 |
| Mode S Code Hex | A0E01D |