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Introduction 5
1 Introduction
1.1 General overview
The NAIS-300 is a Class B Transponder that’s purpose is
to transmit the position and other information about your
vessel, to other AIS equipped vessels. It is housed in a
rugged waterproof enclosure to withstand the rigors of
the marine environment.
The NAIS-300 uses a sophisticated automatic digital time
sharing technology which enables the exchange of static
information like; MMSI (Maritime Mobile Service Identifier)
Number, Vessel’s Name, Call Sign and Type. Also dynamic
data like; Position, Course, Distance and more, from ship
to ship, and from ship to shore based traffic stations.
When connected to a compatible chart plotter, it will
provide a representation of the position and movements
of all AIS equipped vessels within VHF range
The advantages of the NAIS-300 are:
Increased awareness of the current shipping
situation within your VHF range through the
exchange of data between vessels.
Improving traffic management in busy shipping
lanes through exchanging information between
vessels and shore based traffic stations.
Reporting information automatically in shipping
areas where it is mandatory.
As with all electronic navigational equipment, it is
only an aid to navigation and should not be used as
a substitute for good seamanship.
Remember - Maritime law requires that you keep a
good lookout at all times.
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