Section 6 Target Tracking and AIS 6-88
Displayed information Explanation
Cargo Category When the setting of the type of a ship is
2X, 4X, 6X, 7X, 8X or 9X, the digit shown at the end of the code
represents the cargo/condition.
X1 Category X(DG/HP/MP)
X2 Category Y(DG/HP/MP)
X3 Category Z(DG/HP/MP)
X4 Category OS(DG/HP/MP)
X9 No Additional Information
X0 All Ships of This Type
Bearing Displays the bearing of an AIS target.
Range Displays the distance to an AIS target.
COG or CTW Displays the course of an AIS target. Displayed as "COG" in the course
over the ground mode and "CTW" in the course through the water mode.
SOG or STW Displays the ship speed of an AIS target. Displayed as "SOG" in the
speed over the ground mode and "STW" in the speed through the water
mode.
Heading Displays the heading of an AIS target.
ROT Displays the turning speed of an AIS target.
Position Displays the position of an AIS target.
Position Accuracy When the position-fix accuracy of an AIS target is low, [>10m] is
displayed.
When the position-fix accuracy of an AIS target is high, [<10m] is
displayed.
Position Sensor Displays the type of the position sensor used by an AIS target.
0: Not Defined
1: GPS
2: GLONASS
3: Combined GPS/GLONASS
4: Loran-C
5: Chayka
6: Integrated Navigation System
7: Surveyed
8: Galileo
15: Internal GNSS
Source AIS information source
- Direct
- Repeated
- VTS
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