Icom IC-M506EURO Instruction Manual

Also see for IC-M506EURO: Service manual Service manual Instruction manual Specifications

Contents

72AIS RECEIVER (Depending on versions)9About AIS■AIS (The automatic identification system) is primarily used forcollision-risk management and navigation safety. It automati-cally transmits and receives vessel information, such as thevessel name, MMSI code, vessel type, position data, speed,course, destination and more. Information is exchangedamong the vessels and/or base stations on the VHF maritimemobile band. The information helps to identify other nearbyvessels or stations by displaying the received data on a plot-ter or a radar screen.AIS Classes■There are seven types of AIS stations; vessels, base stations,Search and Rescue (SAR), Aids to Navigation (AtoN), Searchand Rescue Transmitter (AIS-SART), MOB (Man OverBoard)and EPIRB (Emergency Position Indicating Radio Beacon)-AIS.There are two classes of AIS units, which are installed onvessels; Class A and Class B.Under the Safety Of Life At Sea (SOLAS) convention, allSOLAS vessels, as described below, are required to install aClass A AIS transponder:• Upwards of 300 gross tonnage engaged on internationalvoyages.• Passenger vessels, irrespective of size, engaged on inter-national voyages.• Upwards of 500 gross tonnage not engaged on internationalvoyages.A Class B AIS transponder is designed to be interoperabilitywith Class A units, but not to impact the Class A network.Many commercial vessels, and some leisure craft, not clas-sified as requiring a Class A unit, choose to install a Class Bunit to avoid accidents at sea.Your vessel(Class B AIS)Other vessel(Class A AIS)Other vessel(Class B AIS)Base StationVessel information