AIS data can be presented in different ways. Users can choose between simple presentation of main target information or the presentation of all data available.

AIS targets will be displayed, according to their status, in different ways.

AIS information will appear on an ECDIS screen but no further assistance about AIS or its effect on navigation is given here.

Please consult the IALA website in case of further interest.

The IMO AIS carriage requirement for AIS units divided between not carriage required and carriage required vessels. The information given below is related to the latter group of vessels.

According to IMO AIS carriage requirement following data will be broadcast:

Static information

• Radio Call Sign and Name of ship
• MMSI number
• IMO ships identification number
• Dimensions of ship - to nearest meter
• Type of ship
• Location of  reference point for position reports

Dynamic information

• Position of the vessel
• Time stamp in UTC when information was generated
• Course over ground
• Speed over ground
• Heading
• Navigation status (e.g. under way using engine, at anchor)
• Rate of turn

Voyage specific information

• Draught
• Type of cargo
• Destination and ETA
• Route planning (at Master's discretion)
• Air draught (optional)

Security Message (abbreviated version)

For all of you who are thinking AIS is the Swiss knife for safe navigation, collision avoidance and observation of the surrounding sea area it is suggested to consult the paper discussing those issues early 2008.