| Tail Number / N-Number | N4957M |
| Manufacturer | PIPER |
| Model | PA-11 |
| Year Built | 1948 |
| Manufacturer's Serial Number | 11-443 |
| 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 | CONT MOTOR |
| Engine Model | C90 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 95 hp (71 kW) |
| Average Cruising Speed | 67 miles per hour |
| Type of Registrant | Individual |
| Owner Name | HARRIS LLOYD A |
| Street | 3921 SPRINGHILL RD |
| City | BOZEMAN |
| State | MT |
| Zip Code | 59718-8480 |
| Region | Northwest Mountain |
| County | Gallatin County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 2012-03-08 |
| Last Action Date | 2021-03-11 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 51423004 |
| Mode S Code Hex | A62604 |