At 12:43 on December 17, "Zhenhua 4", a cargo ship with China Communications Construction Company was attacked by pirates at the Aden Gulf. Nine pirates boarded the ship.

北京时间12月17日12时43分，中国交通建设集团所属“振华4”号货轮在亚丁湾水域遭海盗袭击，9名海盗登船。

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Distress traffic consists of all messages relating to the immediate assistance required by the ship in distress, including search and rescue communications and signals for locating.

遇险通信是遇险船舶所需要的与紧急救助有关的所有信息，包括搜救通信与定位信息。

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Today, communications have become a major factor in the coordination of ship and gun control.

到今天，通信已成为操船与火控之间协调的重要因素。

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This will fill a needed gap in ship-to-shore communications and also provide for friends and family to be able to communicate onboard without high cost by giving direct dial capability between smartphones.

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Italian Coast Guard officials said emergency generators were keeping the ship's control room illuminated and communications equipment such as radios running.

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There is latency on the system which can interfere with clear communications, especially if there is high usage on the ship when you place you call.

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