AIS-CTRX Class B AIS Transponder Manual
OPERATIONAL GUIDELINES FOR AIS-CTRX
AIS-CTRX has four (4) led indicators to help with status monitoring of the AIS Class B Transponder.
AIS-CTRX will give several possibilities to enhance the navigational safety as a complement to e.g.
radars and electronic charting systems. The built in GPS makes the AIS-CTRX into a complete and
compact navigations system together with the included electronic chart system. With an AIS Class B
Transponder, you will improve safety during navigation in e.g. low visibility or at night. At sea, AIS
provides a support to the radar especially during rain, snow and sea clutter conditions. With AIS, it is
also possible to se behind islands and bends something that will give an idea what’s “behind the
corner”.
Picture 9 With AIS you can see behind island and bend.
Several Maritime authorities will also transmit safety related information using land based AIS
networks. These are messages that will contain information about e.g. sudden threats in fairways,
navigational warnings, meteorological data etc. Meteorological information will also be transmitted in
real-time from certain strategic positions along coastlines. That data will contain information like Wind
Speed, Wind Direction, Water Level, Temperature, Currents, and Tide etc.
Picture 10 Meteorological data transmitted with AIS in real-time
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