IMO fairway closed. Specified in SN/Circ.236 Annex 2, page 5, Application 3. Also defined in IALA Guidelines on AIS, Vol 1, Part 1, Ed. 1.3. Guildeline No 1028. This message should be used to inform vessels about tidal windows which allow a vessel the safe passage of a fairway. The message includes predictions of current speed and current direction. In this example, three points of tidal information are given. Attributes of message: addressed, shore station transmitting, acknowledgement required. 376 AIS message number. Must be 6 6 Indicated how many times a message has been repeated 0 default do not repeat any more 1 MMSI number of transmitter broadcasting the message Not sure if this matches what IMO stated. 1193046 Sequence number as described in 5.3.1. Assigned to each station 3 Unique ship identification number (MMSI) 1193047 Should be set upon retransmission 0 no retransmission restransmitted 1 Must be 0 0 Designated Area Code - part 1 of the IAI 1 Functional Identifier - part 2 of the IAI 11 UTC month 0 2 UTC day 0 1 Not sure what this position is for? Center? From UTC hour 24 hours 1 From UTC minute 60 minutes 21 To UTC hour 24 hours 23 To UTC minute 60 minutes 24 Current direction 360 degrees 300 Current speed 1 12.7 10 knots 12.1 Not sure what this position is for? Center? From UTC hour 24 hours 1 From UTC minute 60 minutes 21 To UTC hour 24 hours 23 To UTC minute 60 minutes 24 Current direction 360 degrees 300 Current speed 1 12.7 10 knots 12.1 Not sure what this position is for? Center? From UTC hour 24 hours 1 From UTC minute 60 minutes 21 To UTC hour 24 hours 23 To UTC minute 60 minutes 24 Current direction 360 degrees 300 Current speed 1 12.7 10 knots 12.1