| Tail Number / N-Number | N6321D |
| Manufacturer | CESSNA |
| Model | 140 |
| Year Built | 1946 |
| Manufacturer's Serial Number | 9117 |
| 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 | C85 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 85 hp (63 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WILLIAMS KENNETH R |
| Street | 4925 NW WOODY WAY |
| City | NEWPORT |
| State | OR |
| Zip Code | 97365-1327 |
| Region | Northwest Mountain |
| County | Lincoln County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1960-05-05 |
| Certificate Issue Date | 2023-02-12 |
| Last Action Date | 2023-02-12 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration from a Trainee |
| Mode S Code | 52043651 |
| Mode S Code Hex | A847A9 |