MIN 582 (M+F) Change to inmarsat satellite services including GMDSS

Notice to all owners, operators, masters and radio operators for vessels using Inmarsat Satellite Services. This MIN expires 1st February 2019.


MIN 582 (M+F) Change to Inmarsat Satellite Services including GMDSS

This file may not be suitable for users of assistive technology. Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email Please tell us what format you need. It will help us if you say what assistive technology you use.


Inmarsat are migrating GMDSS Satellite services to a different satellite constellation. This may impact vessels in the following ways:

  • Vessels with Inmarsat Ship Earth Stations (SES) operating within the coverage of Atlantic Ocean Region East (AORE) or India Ocean Region (IOR) satellites may need to take action;
  • Change to the coverage area between Greenland and Norway affecting:

  • Sea Area Designation;
  • GMDSS Distress, Urgency, Safety and Routine communications via SES;
  • Broadcasts to NAVAREA/METAREA 1 and 19;
  • Other services that use Inmarsat services such as Ship Security Alert System, Long Range Identification and Tracking, Vessel Monitoring System and commercial services;

  • Inmarsat will be issuing Notices to Mariners as necessary throughout the migration.
Published 22 October 2018