6-13  Section 6    Target Tracking and AIS 
 
 
 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
 
 
 
6.3.6  About Display Priority of AIS Targets   
Up to 500
*1
 targets can be displayed in total of activated and sleeping AIS targets. Up to 500 activated 
AIS targets can be displayed in the total. 
When 95% of the maximum display count is exceed, “AIS 95% Capacity” alert ocuurs.When the   
imum display count is exceed, “AIS maximum capacity” alert occurs. 
When there is an AIS target of 500
*1
 or more, the display is made according to the following priority 
order. 
 
 
*1: The maximum number of AIS targets displayed can be changed to the option of 1000 targets. 
 
If the number of targets at the same priority level exceeds the allowable maximum, they are displayed 
in the following priority order:   
 
 
Memo 
Maximum display number is sum of Class A AIS and Class B AIS. 
Class A: The AIS that must be installed in the large ships specified in the SOLAS Convention. 
Class B: The AIS for which medium and small sized vessels and fishing vessels are targeted. 
 
   
1.  Association target 
2.   Activated AIS target 
3.   Sleeping AIS target 
High priority 
Low priority 
1.  Numeric displayed target 
2.   Target of which CPA/TCPA is lower than the set value 
(Target as a dangerous ship for which an alarm has been generated) 
3.   Target in automatic activation zone 
4.   Activated AIS target 
5.   Target inside AIS filter 
6.   Target outside AIS filter 
High priority 
Low priority