Glossary of Terms
System where vessel information (location, course, speed, etc.) is broadcast by VHF radio, for use by other vessels in navigation and collision avoidance.
Shows the symbol for each alarm that is on. The symbol
Glossary of Terms
System where vessel information (location, course, speed, etc.) is broadcast by VHF radio, for use by other vessels in navigation and collision avoidance.
Shows the symbol for each alarm that is on. The symbol is normally black and turns red if the alarm triggers.
The speed and direction from which the wind appears to blow with reference to the bow when the boat is moving (also called relative wind).
An alarm signal issued by a GPS/chart plotter that indicates arrival at or at a predetermined distance from a waypoint (see arrival circle).
An artificial boundary placed around the destination waypoint of the present navigation leg, the entering of which will signal an arrival alarm.
An important area on a chart, such as a restricted anchorage or a shallow area.
An autopilot (or pilot) is a mechanical, electrical or hydraulic system which can maintain a vessel on a predetermined course without the need for human intervention. Using a direct or indirect connection with a vessel’s steering mechanism, the autopilot relieves the crew from the task of manually steering the yacht. On sailing boats certain types of autopilot can be programmed to maintain a course defined at a pre-set angle to the wind.
A depth contour line on the chart
A plug-in card t