Back علامة إرشاد بحري Arabic Ajudes a la navegació Catalan Ναυτιλιακό βοήθημα Greek کمک ناوبری Persian Merenkulun turvalaite Finnish เครื่องหมายทางเรือ Thai Pantulong sa paglalayag Tagalog

Navigational aid

"ATON" redirects here. For other uses, see Aton.
The entrance to the inner harbour of the Port of Fremantle, Australia, with a yellow special mark at left, a region A red port lateral mark at right, and a region A green starboard lighthouse in the background

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, usually nautical or aviation travel. Common types of such aids include lighthouses, buoys, fog signals, and day beacons.

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