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Navigational aids (Dcns)

Scope Note
Methods, devices, charts or instruments that assist in the navigation of a craft or the operation of a vehicle; For signs and signals as communication or control devices refer to Dsg: COMMUNICATION DEVICES or to Dcmt: TRAFFIC CONTROL
Definition
Methods, devices, charts or instruments that assist in the navigation of a craft or the operation of a vehicle. (Source: TRT SN)
Use For
Navaids
Navigation aids
Broader Term
Navigation (Dcn)
Narrower Terms
Navigation systems (Dcnsb)
Navigation charts (Dcnsj)
Navigation devices (Dcnsp)
Navigational aids by reference to craft (Dcnsx)
Navigational aids specific to a craft or vehicle (Dcnsy)
Distress alerting systems (Dcnsz)
Related Terms (Hierarchical)
Navigation processes (Dcnb)
Obstructions (Navigation) (Dcnu)