ප්රවර්ගය:Navigational aids
Navigational aids හා සබැඳි මාධ්ය විකිමාධ්ය කොමන්ස් හි ඇත.
Navigational aids (also known as aids to navigation) include all forms of signal, marks and guidance equipment used to facilitate navigation. The term is most commonly used in the context of marine and fluvial navigation, but it can be used to refer to navigation assistance system for aerial navigation.