Annex 3 - Recommended IEC 61162 Sentences
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Circulars - Safety of Navigation - Circular SN/Circ.227- Guidelines for the Installation of a Shipborne Automatic Identification System (AIS) – (6 January 2003)Amended by SN/Circ.245 - Annex - Guidelines for the Installation of a Shipborne Automatic Identification System (AIS) - Annex 3 - Recommended IEC 61162 Sentences

Annex 3 - Recommended IEC 61162 Sentences

 To connect external sensors it is recommended to configure the following sentences as indicated below.

Table A Preferred IEC 61162-1 Sensor Sentences

Data IEC 61162-1 Sentence formatters
  preferred optional
Reference datum DTM  
Positioning system: GNS GGA , RMC
Time of position GLL  
Latitude / Longitude    
Position accuracy    
Speed Over Ground (SOG) VBW VTG, OSD, RMC
Course Over Ground (COG) RMC VTG, OSD
Heading HDT OSD
RAIM indicator GBS  
Rate Of Turn (ROT) ROT  

Copyright 2022 Clasifications Register Group Limited, International Maritime Organization, International Labour Organization or Maritime and Coastguard Agency. All rights reserved. Clasifications Register Group Limited, its affiliates and subsidiaries and their respective officers, employees or agents are, individually and collectively, referred to in this clause as 'Clasifications Register'. Clasifications Register assumes no responsibility and shall not be liable to any person for any loss, damage or expense caused by reliance on the information or advice in this document or howsoever provided, unless that person has signed a contract with the relevant Clasifications Register entity for the provision of this information or advice and in that case any responsibility or liability is exclusively on the terms and conditions set out in that contract.