| Tail Number / N-Number | N684ND |
| Manufacturer | PIPER AIRCRAFT INC |
| Model | PA-28-181 |
| Year Built | 2019 |
| Manufacturer's Serial Number | 2881151 |
| 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 | IO-360-B4A |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Corporation |
| Owner Name | UND AEROSPACE FOUNDATION |
| Street | 4275 UNIVERSITY AVE STOP 9023 |
| City | GRAND FORKS |
| State | ND |
| Zip Code | 58202-9023 |
| Region | Great Lakes |
| County | Grand Forks County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2019-05-18 |
| Certificate Issue Date | 2019-06-27 |
| Last Action Date | 2022-01-18 |
| Expiration Date | 2029-06-30 |
| Status | Valid Registration |
| Mode S Code | 52211503 |
| Mode S Code Hex | A91343 |