A navigational aid (NAVAID), also known as aid to navigation (ATON), is any sort of signal, markers or guidance equipment which aids the traveler in navigation...

around midnight and in the February evening sky. Orion is very useful as an aid to locating other stars. By extending the line of the Belt southeastward...

breadcrumb or breadcrumb trail is a graphical control element used as a navigational aid in user interfaces and on web pages. It allows users to keep track...

Saikhowa and Sadiya To provide the safe navigation for various vessels, day navigation marks with bamboos and navigational lights fixed on country boats/beacons...

identification. Conversion from this audio signal into a usable navigation aid is done by a navigation converter, which takes the reference signal and compares...

The GPS-aided GEO augmented navigation (GAGAN) is an implementation of a regional satellite-based augmentation system (SBAS) by the Government of India...

Flower-class corvette. A barber pole motif has been used as a daymark and navigational aid for lighthouses. The White Shoal Light is the only "barber pole" lighthouse...

light from a system of lamps and lenses and to serve as a beacon for navigational aid, for maritime pilots at sea or on inland waterways. Lighthouses mark...

the seabed, details of the coastline, navigational hazards, locations of natural and human-made aids to navigation, and human-made structures such as harbours...

used as an aviation or marine navigational aid. NDB are in contrast to directional radio beacons and other navigational aids, such as low-frequency radio...