Samyung ENC SI-30A, Инструкция по эксплуатации

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1. Automatic Identification System
1-1 AIS OUTLINE
AIS is a very developed equipment which provides information of the vessel in real time.
This equipment is prevent for collision and this is duty by IMO. AIS make you enable to
recognize position of another vessel and it’s moving during radar isn’t working properly, to
recognize name, position and speed of another vessel so that it prevents for collision.
AIS is using VHF frequency, 161.975MHz(87B channel) and 162.025MHz(88B channel) which
are assigned by World wireless association in 1997.
1-2 AIS Technical Outline
AIS is basis on TDMA and simplex, semi-duplex or duplex communication and occupied
bandwidth is within 25㎑.
1-3 Data for AIS
Static Information
: IMO number, Call sign and Name of vessel, length and beam,
ship’s type, the position and antenna on a ship. Data is renewed every 6 minutes or when
it needs to be amended.
Dynamic Information
: Accurate command and ship’s position in perfect condition,
Time(UTC), course over ground(COG), speed of ground(SOG), Heading, Navigation status,
ratio of turn.
Voyage Information
: Draught, Dangerous cargo, Destination and ETA, Route plan,
number of crew. Data is renewed every 6 minutes or when it needs to be amended.
Safety Message
: You shall follow needs of message and this includes voyage
information and weather alarm.