Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4091M.
| Tail Number / N-Number | N4091M |
| Manufacturer | PIPER |
| Model | PA-12 |
| Year Built | 1947 |
| Manufacturer's Serial Number | 12-2982 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-235 SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Average Cruising Speed | 82 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KORONOWSKI JOHN |
| Street | 6524 CHURCH ST |
| City | LIBRARY |
| State | PA |
| Zip Code | 15129 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-04-16 |
| Certificate Issue Date | 1988-07-14 |
| Last Action Date | 1994-07-11 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2012-11-19 |
| Mode S Code | 51150227 |
| Mode S Code Hex | A4D097 |