Radio and Broadcast Safety Information for Mariners

NP283(1) is part of the Admiralty List of Radio Signals, covering Maritime Safety Information services for Europe, Africa and Asia, excluding the Far East. It lists the broadcast schedules, frequencies and coverage areas mariners need to receive navigational warnings, weather bulletins and other safety broadcasts by radio.

This fifth edition, dated 2024, is produced by the United Kingdom Hydrographic Office and is intended for use alongside charts and other Admiralty nautical publications.

It is a standard reference for professional watchkeepers, radio officers and navigators needing up to date safety broadcast information for voyages through these regions.

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