| Tail Number / N-Number | N3641K |
| Manufacturer | PIPER |
| Model | J3C-65 |
| Year Built | 1946 |
| Manufacturer's Serial Number | 22331 |
| 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 | A&C65 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Average Cruising Speed | 67 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | VACEK KARL J |
| Other Names |
|
| Street | 186 MILLBRIDGE RD |
| City | RIVERSIDE |
| State | IL |
| Zip Code | 60546-2217 |
| Region | Great Lakes |
| County | Cook County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-06-05 |
| Certificate Issue Date | 1984-11-28 |
| Last Action Date | 2021-05-14 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 51016655 |
| Mode S Code Hex | A41DAD |