| Tail Number / N-Number | N1904E |
| Manufacturer | CHAMPION |
| Model | AERONCA 7AC |
| Year Built | 1946 |
| Manufacturer's Serial Number | 7AC-5471 |
| 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 | TELKAMP GARY O |
| Street | 22911 CLIFF VIEW LN |
| City | RAPID CITY |
| State | SD |
| Zip Code | 57702-8510 |
| Region | Great Lakes |
| County | Pennington County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1955-12-21 |
| Certificate Issue Date | 2011-10-25 |
| Last Action Date | 2020-05-18 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 50265424 |
| Mode S Code Hex | A16B14 |