Section 24 Specifications
24-40
24.39 AIS
FUNCTIONAL SPECIFICATION
Activation
Acquisition Mode
Manual/AUTO (AUTO mode uses Auto-acquisition Zone)
Manual Cancellation
Any one Target
Presentation
Number of Target (Sleeping and activated )
500 [475] targets (Option: 1000 [950])*1
No. targets processed
1024 targets
Past Position
True / Relative Display
Number of Dots --- 10 points
Display Interval Time --- 0.5 / 1 / 2 / 4 min
Display Interval Distance --- 0.1 / 0.2 / 0.5 / 1 NM
Message
Broadcast Message, Addressed Message
Motion mode
TM (True Motion) / RM (Relative Motion)
Azimuth mode
North UP, Head UP, Course UP, Waypoint UP
Vector mode
True / Relative Display
Vector Length
Variable, 1 to 60 min. (1min. step)
Alarm
Auto-acquisition Zone (AZ)
2 (sector)
Setting range
0.5NM to 32NM
Alarm Indication
Symbol on Display, Visible/Audible Alarm
Safe Limits (CPA/TCPA)
CPA LIMIT
0.1 to 9.9NM
TCPA LIMIT
1 to 99 minutes
Conditions
Safe Target
CPA > CPA Limit
0 > TCPA
TCPA > TCPA Limit
Dangerous Target
CPA
CPA Limit
0
TCPA
TCPA Limit
Lost Target
Symbol on Display, Visible/Audible Alarm
Alert Indication
Safe Target
Color: White, Alert: OFF, Buzzer: OFF
Dangerous Target
Color: Red, Alert: ON, Buzzer: ON
Data Indication
Target Data
Simultaneous and Continuous Display for 10 Targets
Simple Display
Ship's name, Call sign, MMSI, Course, Speed, CPA and TCPA
Details Display
Ship's name, Call sign, MMSI, Course, Speed, CPA, TCPA, Bearing,
Range, Ship's Heading Bearing, Rate of turn, Latitude, Longitude,
Destination and Navigation Status
Own Ship's Data
The ship's name, Call sign, MMSI, Course, Speed, Ship's heading
bearing, Rate of turn, Latitude, Longitude, Destination, and Navigation
status of own ship
Trial Maneuver
Manual Setting
Trial Course
0
to 359.9
Trial Speed
0 to 100 kn
Accuracy of Display
System Failure
Speed Input
Complied with IMO Requirements
Visible / Audible Alarm
AUTO (LOG)
*1 The value in [ ] indicates the 95% of the number of maximum targets.
