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Beacons (Dcnspb)

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Communication and control (D)
    Control (Dc)
         Use For: Control theory
        Navigation (Dcn)
            Navigational aids (Dcns)
                 Use For: Navaids; Navigation aids
                Navigation devices (Dcnsp)
                     Related Term (Associative): Instrument panels (Qpeyj)
                    Beacons (Dcnspb)
                        Highway beacons (Dcnspbg)
                        Obstruction beacons (Dcnspbj)
                        Radar beacons (Dcnspbp)
                             Use For: Racon; Radar transponders
                        Radio beacons (Dcnspbs)
                    Compasses (Dcnspc)
                    Gyroscopes (Dcnspd)
                    Instrument displays (Dcnspe)
                         Related Term (Associative): Radar displays (Dcnspsd); Information display systems (Dsbg)
                    Flight recorders (Dcnspf)
                         Use For: Black boxes (Flight recorders); Flight data recorders
                         Related Term (Associative): Event data recorders (Qpye)
                    Navigation computers (Dcnspg)
                         Use For: Guidance computers; Navigational computers
                    Navigation lights (Dcnspj)
                    Navigational satellites (Dcnspm)
                         Use For: Maritime satellites
                         Related Term (Associative): Satellite navigation systems (Dcnsbt)
                    Obstruction markers (Dcnspq)
                    Radar devices (Dcnsps)
                    Radio navigation devices (Dcnspt)
                         Related Term (Associative): Radio equipment (Dsgm)