Allow Trinity House, which oversees shipping safety, to charge for services on open market to cut costs for existing users.

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That approach is important: the United States should not -- alone -- be responsible for the safety of shipping.

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The communique said Arab nations around the Red Sea were principally responsible for security there and recommended establishing joint mechanisms between those countries to ensure the safety of shipping.

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In a statement shipping minister Stephen Hammond said the technology should improve navigational safety in "the busiest shipping channel in the world".

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The International Ship and Port Security (ISPS) code put in place that year by the International Maritime Organization (IMO), the U.N. body responsible for the safety and security of shipping, had a profoundly positive effect on seaport security.

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Hong Kong is one of the world's busiest shipping channels, but its ferries have a good safety record.

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After the kidnapping, remaining crew-members - operated by Augusta Offshore SpA, a Naples-based shipping company in southern Italy - had sailed the vessel to safety.

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The plaintiffs claimed the Corps was not entitled to immunity because its activities regarding the shipping channel "were in direct contravention of professional engineering and safety standards, " Duval wrote.

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The UK government had proposed ending the contract, saying the safety of vessels and salvage operations was the responsibility of the commercial shipping industry.

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