| Tail Number / N-Number | N23NE |
| Manufacturer | LEARJET INC |
| Model | 45 |
| Manufacturer's Serial Number | 539 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | NORTHWESTERN CORP DBA |
| Other Names |
|
| Street | 3010 W 69TH ST |
| City | SIOUX FALLS |
| State | SD |
| Zip Code | 57108-5613 |
| Region | Great Lakes |
| County | Minnehaha County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2019-01-09 |
| Last Action Date | 2021-10-11 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 50403530 |
| Mode S Code Hex | A20758 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N23NE.
| Tail Number / N-Number | N23NE |
| Manufacturer | CAMERON BALLOONS |
| Model | D-50 |
| Manufacturer's Serial Number | 768 |
| Aircraft Type | Balloon |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 0 engines |
| County | Minnehaha County |
| Last Action Date | 1993-12-02 |
| Last Status | N-Number assigned as import but has not been registered that is pending cancellation |
| Cancellation Date | 2011-03-17 |