NP286(5) - ADMIRALTY List of Radio Signals: Volume 6, Part 5 - ALRS Pilot Services, Vessel Traffic Services and Port Operations - North America, Canada and Greenland

NP286(6) - ADMIRALTY List of Radio Signals: Volume 6, Part 6 - ALRS - Pilot Services, Vessel Traffic Services and Port Operations - North East Asia and Russia (Pacific Coast)

NP286(7) - ADMIRALTY List of Radio Signals: Volume 6, Part 8 - ALRS - Pilot Services, Vessel Traffic Services and Port Operations - Central and South America and the Caribbean

NP286(8) - ADMIRALTY List of Radio Signals: Volume 6, Part 8 - Pilot Services, Vessel Traffic Services and Port Operations - Africa (excluding Mediterranean Coast), Red Sea and the Persian Gulf

NP283(2) - ADMIRALTY List of Radio Signals: ALRS Volume 3, Part 2 - Maritime Safety Information Services - The Americas, Far East and Oceania

NP283(1) - ADMIRALTY List of Radio Signals: ALRS Volume 3, Part 1 - Maritime Safety Information Services for Europe, Africa and Asia (excluding the Far East).