How does coast station notify a ship that it has a message for the ship?

• A. The coast station may transmit, at intervals, lists of call signs in alphabetical order for which they have traffic
• B. The coast station calls the ship directly on Channel 16
• C. The coast station uses a telex message
• D. The coast station sends a weather bulletin

Answer: (A)

Coast stations notify ships by broadcasting lists of ship call signs for which they have traffic. These lists are sent at intervals in alphabetical order so every vessel can check whether a message is waiting for it. If your ship’s call sign appears in the list, you know there’s traffic for you and you can respond to establish contact on a working channel to receive the message.

Why the other options don’t fit: calling a ship directly on Channel 16 would require the ship to be listening and would not efficiently inform multiple ships at once; telex and weather bulletins are not used to notify individual ships about messages you have for them.