| Tail Number / N-Number | N1646G |
| Manufacturer | CHAMPION |
| Model | 7GCAA |
| Year Built | 1968 |
| Manufacturer's Serial Number | 100 |
| 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 | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | UNDEM JOHN D |
| Street | 1002 7TH AVE NE |
| City | GRAND RAPIDS |
| State | MN |
| Zip Code | 55744 |
| Region | Great Lakes |
| County | Itasca County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 2000-05-05 |
| Last Action Date | 2022-11-20 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 50201673 |
| Mode S Code Hex | A103BB |