| Tail Number / N-Number | N158US |
| Manufacturer | ASCENDING TECHNOLOGIES GMBH |
| Model | FIREFLY |
| Manufacturer's Serial Number | 34000100 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 0 seats |
| Weight Class | CLASS 4 (UAV up to 55 pounds gross take off weight) |
| Number of Engines | 6 engines |
| Type of Registrant | Government |
| Owner Name | UNIVERSITY OF NEBRASKA-LINCOLN |
| Street | 220 SCHORR CENTER |
| City | LINCOLN |
| State | NE |
| Zip Code | 68588 |
| Region | Central |
| County | Lancaster County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2015-06-02 |
| Last Action Date | 2021-04-21 |
| Expiration Date | 2028-06-30 |
| Status | Valid Registration |
| Mode S Code | 50164672 |
| Mode S Code Hex | A0E9BA |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N158US.
| Tail Number / N-Number | N158US |
| Manufacturer | DOUGLAS |
| Model | DC-10-40 |
| Year Built | 1974 |
| Manufacturer's Serial Number | 46767 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 345 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | P & W |
| Engine Model | JT9D-3A |
| Engine Type | Turbo-fan |
| Number of Engines | 3 engines |
| Thrust per Engine | 43,500 pounds-force (193.5 kN) |
| Total Thrust | 130,500 pounds-force (580.5 kN) |
| Average Cruising Speed | 315 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | NORTHWEST AIRLINES INC |
| Street | 5101 NORTHWEST DR C7-8960 |
| City | ST PAUL |
| State | MN |
| Zip Code | 55111 |
| County | Lancaster County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1974-07-18 |
| Certificate Issue Date | 1974-08-05 |
| Last Action Date | 2001-01-16 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2002-06-20 |