4. INPUT/OUTPUT DATA
4-2
4.2 IEC 61162 Sentences
Input sentence and sentence priority
* No use with IMO-type radar.
Output sentences
Data Sentence priority
Heading (true) THS>HDT>HDG*>VHW*
Heading (magnetic)* HDG>HDM>VHW
Magnetic deviation* HDG
AIS target message, alert VDM, VDO, ABK, ALR
Time and date ZDA
Position GNS>GGA>RMC>GLL
Datum DTM
GNSS satellite malfunction detection GBS
Course over the ground (COG) VTG>RMC>VBW
Speed over the ground (SOG) (GPS) VTG>RMC
Speed over the ground (LOG (BT)) VBW
Speed through the water (STW) VBW>VHW
Alert ACK, ACN, HBT
Waypoint RMB>BWR>BWC>WPL
Route data RTE+WPL
Wind speed and angle (true) MWV>VWT
Wind speed and angle (relative) MWV>VWR
Depth DPT>DBT>DBS>DBK
Water temperature MTW
Current CUR, VDR
Data Sentence
AIS message, alert ABM, BBM, ACK, VSD
Alert sentence ALR, ALC, ALF, ARC, HBT
Operator fitness EVE
Own ship data OSD
Radar system data RSD
Target data TTM, TLB, TTD
Target L/L position TLL