What is the role of waypoints in E-NAV?

Waypoints play a crucial role in electronic navigation as they are predefined points that serve essential functions in both navigation and route planning. These points are used to help mariners identify specific locations on their journey, assisting in the course of travel by providing reference points for positioning and ensuring the vessel remains on the desired track.

Waypoints also enhance route planning by allowing navigators to create a series of sequential points that lead from one location to another, facilitating safer and more efficient navigation. In addition, they can be used in conjunction with electronic chart systems and Global Navigation Satellite Systems (GNSS) to monitor progress and make necessary adjustments to the course.

In contrast to the other options, waypoints are not random markers, nor are they confined to land navigation; they are utilized across various modes of transport, including maritime, aviation, and land systems. Furthermore, waypoints are not exclusively set by the captain prior to departure; they can be adjusted or modified during the voyage as necessary to accommodate changing conditions or navigational needs.