| Tail Number / N-Number | N6321J |
| Manufacturer | PIPER |
| Model | PA-28-180 |
| Year Built | 1968 |
| Manufacturer's Serial Number | 28-4729 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 107 miles per hour |
| Type of Registrant | Individual |
| Owner Name | NIEBUR MICHAEL C |
| Street | 4781 RETREAT RD |
| City | BRAINERD |
| State | MN |
| Zip Code | 56401-7223 |
| Region | Great Lakes |
| County | Crow Wing County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1968-04-17 |
| Certificate Issue Date | 1987-06-24 |
| Last Action Date | 2020-03-31 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 52043656 |
| Mode S Code Hex | A847AE |