Other

There is a date change to the planned inmarsat I-3 to I-4 migration in 2018

NAVAREA IV 529/18

issued
2018-07-04 14:25Z
status
cancelled 2018-08-30 15:14Z (archive)
cancels
NAVAREA IV 508/18
authority
SFH 041424Z JUL 18.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. THERE IS A DATE CHANGE TO THE PLANNED INMARSAT
   I-3 TO I-4 MIGRATION IN 2018.
2. THE INTERNATIONAL MARITIME ORGANIZATION (IMO), THE
   INTERNATIONAL HYDROGRAPHIC ORGANIZATION (IHO), AND THE
   WORLD METEOROLOGICAL ORGANIZATION (WMO) INFORM THE
   MARITIME COMMUNITY OF THE PLANNED INMARSAT I-3 TO I-4
   SATELLITE MIGRATION IN 2018, AS FOLLOWS:
   A. ATLANTIC OCEAN REGION WEST (AORW) COMPLETED ON 09 MAY.
   B. PACIFIC OCEAN REGION (POR) ON 29 AUG (UPDATED).
   C. ATLANTIC OCEAN REGION EAST (AORE) IN SEP 18.
   D. INDIAN OCEAN REGION (IOR) IN OCT 18.
3. FOR FURTHER DETAILS OF THE SATELLITE MIGRATION PLAN
   AND NEW SATELLITE FOOTPRINTS CONSULT INMARSAT AT
   www.inmarsat.com/support/i-3-to-i-4-services-migration.
4. CANCEL NAVAREA IV 508/18.

Timeline

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Other

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Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.