Useful articles
ECDIS on board
From 2018, all high-speed vessels, passenger ships> 500 GT, cargo ships and tankers> 3000 GT must be equipped with ECDIS
Satellite compass - a device remote transmission rate (GPS based GNSS). Need to determine the direction, the location, speed and course in all weather conditions. The advantage of satellite compass is no effect on the characteristics of terrestrial magnetism, which allows to use the device on any vessel. As satellite compass is not required speed correction like a gyrocompass.