Onwa KS-200A, Operator'S Manual

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2
2.1 Class A
Class A units are a mandatory fit under the safety of life at sea (SOLAS)
convention to vessels above 300 gross tons or which carry more than 11
passengers in International waters. Many other commercial vessels and
some leisure craft also may be fitted Class A units.
The Class A operation consists of three different types of messages:
Dynamic information:
position of the ship (derived from GPS)
time, when the position was measured in UTC
course over ground (COG)
speed over ground (SOG)
heading (HOG)
ship status
rotational speed/turn rate
Static information:
MMSI number
call sign and name of the vessel
length and width of the vessel
IMO-number of the vessel, if existent
type of vehicle
position of the GPS sensor onboard
Journey-related information:
draught of the vessel
type of cargo
port of destination and estimated time of arrival (ETA)
route plan, optional compulsory way, depending on the vessels
movement.