GMDSS: sea areas and procedures for small boat users

Leaflet with map and processes for distress and hazard alerts


GMDSS DSC VHF Procedures

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This leaflet for small boat users contains:

  • a map showing radiotelephone coverage of coast stations and geostationary satellites in 3 sea areas around the UK
  • procedures for making distress calls and hazard alerts
Published 6 September 2017
Last updated 26 November 2018 + show all updates
  1. Latest leaflet uploaded
  2. Leaflet withdrawn and being rewritten
  3. Document has been updated
  4. First published.