User's Manual

4
1.2 AIS Message Types
Class B AIS broadcasts following message types:
Static Data:
 MMSI
 Vessel name
 Vessel call sign
 Type of ship
 Ship dimensions / GPS antenna location
Dynamic Data:
 Position of the vessel
 Course over ground (COG)
 Speed over ground (SOG)
 True heading
1.3 AIS Report Rate
Class B AIS broadcasts ship dynamic data per following reporting interval. Besides,
ship static data will be broadcasted every 6 minutes.
Ship Condition
Nominal Reporting Interval
Ship not moving faster than 2 knots
3 Minutes
Ship moving faster than 2 knots
30 Seconds