| Tail Number / N-Number | N3521E |
| Manufacturer | AERONCA |
| Model | 7AC |
| Year Built | 1947 |
| Manufacturer's Serial Number | 7AC-6887 |
| 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 | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | ZEROVICH KARL |
| Street | 6932 STATE ROUTE 46 |
| City | CORTLAND |
| State | OH |
| Zip Code | 44410-9668 |
| Region | Great Lakes |
| County | Trumbull County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-02-01 |
| Certificate Issue Date | 2020-08-11 |
| Last Action Date | 2020-08-11 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 50767273 |
| Mode S Code Hex | A3EEBB |