Navigointimerkkejä
Navigointimerkkejä, known in English as navigational aids or navigation marks, are devices or markers used to guide vessels and aircraft through waterways, airspace, and other transit routes. Their primary purpose is to indicate safe passages, warn of hazards, and provide positional information. In maritime navigation, these aids can include lighthouses, buoys, and beacons. Lighthouses are fixed structures that emit light from a system of lamps and lenses, serving as prominent landmarks and warning signals. Buoys are floating markers that can indicate the center of a channel, the edge of a shoal, or a specific hazard. Beacons are often simpler structures, such as poles or unlit towers, that serve as visual references.
Aviation navigation relies on similar principles. Air traffic control towers provide guidance within airports, while navigation