| Tail Number / N-Number | N198US |
| Manufacturer | ASCENDING TECHNOLOGIES GMBH |
| Model | FIREFLY |
| Manufacturer's Serial Number | 33971900 |
| 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 | 2015-06-03 |
| Last Action Date | 2021-04-21 |
| Expiration Date | 2028-06-30 |
| Status | Valid Registration |
| Mode S Code | 50303666 |
| Mode S Code Hex | A187B6 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N198US.
| Tail Number / N-Number | N198US |
| Manufacturer | MCDONNELL DOUGLAS |
| Model | DC-9-15F |
| Year Built | 1967 |
| Manufacturer's Serial Number | 47045 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 116 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | P & W |
| Engine Model | JT8D SERIES |
| Engine Type | Turbo-jet |
| Number of Engines | 2 engines |
| Thrust per Engine | 7,700 pounds-force (34.3 kN) |
| Total Thrust | 15,400 pounds-force (68.5 kN) |
| Average Cruising Speed | 315 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | USA JET AIRLINES INC |
| Street | HANGAR 2064 D STREET |
| City | BELLEVILLE |
| State | MI |
| Zip Code | 48111 |
| County | Lancaster County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1994-12-20 |
| Certificate Issue Date | 1997-02-26 |
| Last Action Date | 2009-02-17 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2012-04-20 |