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Utility aircraft (Qbkk)

Computer viruses ()
Vehicles and equipment (Q)
    Vehicles (Qb)
         Related Term (Associative): Computer viruses (); Computer viruses ()
        Aircraft (Qbk)
             Related Term (Associative): Aeronautical engineering (Ttkbb)
            Drones (Qbkd)
                 Use For: Drone aircraft; Pilotless aircraft; Unmanned aerial vehicles; Unmanned aircraft
                 Related Term (Associative): Computer viruses (); Unmanned aircraft systems (Dcmvbu); Unmanned underwater vehicles (Qbddkjau)
            Transport aircraft (Qbkf)
            Passenger aircraft (Qbkh)
            Utility aircraft (Qbkk)
                Training aircraft (Qbkkt)
            Aircraft by type of lift (Qbkm)
            Aircraft by ownership (Qbko)
            Aircraft by motive power (Qbkp)
            Aircraft by speed (Qbks)
            Aircraft by size (Qbkw)
            Seaplanes (Qbky)