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  Broadcast Warnings Subscription


To accommodate customers who experience difficulty accessing the World Wide Web, Inmarsat-C and official Messaging Systems, NGA provides a Subscription Service whereby the Broadcast Warnings and U.S. Maritime Advisory/Alerts are delivered to the requesting e-mail address as they are promulgated, with the following caveats: 

  • The availability of Navigational Warnings via this NGA subscription service does not relieve Masters / Captains of the requirement to receive Navigational Warnings through IMO approved broadcast services in accordance with the provisions of the International Convention for the Safety of Life at Sea. This information is provided as a supplement to those approved services.

  • The availability of Navigational Warnings via this NGA subscription service does not relieve Navigators / Assistant Navigators of the requirement to receive Navigational Warnings via DOD Messaging System, as this information is provided as a supplement to those required services.

  • Instructions to unsubscribe from the Service are included in each subscription e-mail.

  Please review the Privacy Act Advisory¬†before subscribing to the mailing list.


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