| Tail Number / N-Number | N9421A |
| Manufacturer | CESSNA |
| Model | 140A |
| Year Built | 1949 |
| Manufacturer's Serial Number | 15242 |
| 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 | C90 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 95 hp (71 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WILLIE BRETT A |
| Street | 710 WASHINGTON ST |
| City | DECORAH |
| State | IA |
| Zip Code | 52101-2268 |
| Region | Central |
| County | Winneshiek County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1954-08-04 |
| Certificate Issue Date | 2021-03-01 |
| Last Action Date | 2021-03-01 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 53213422 |
| Mode S Code Hex | AD1712 |