computer navigation system Night vision lcd ECDIS Monitors COMPUTER NAVIGATION SYSTEM It sounds like a myth when we hear that mariners calculated their position on the sea and their sailing course using stars. With the latest marine computer navigation system at our disposal, mariners are able to sail as confident as driving on our highways. Traditionally, mariners would have had very limited information and every journey would have been a matter of life and death. It is not the case anymore; we can mark with precision our exact location without having to plot endless charts that we used in the past. Computer navigation system saves us a lot of time and energy; above all they are very accurate. Today marine GPS or global positioning system provides the mariners with all the information that they need with just a few clicks. Today no marine vessel leaves the dock without computer navigation system. They have become one of the essential accessories of sailing.