Why do modern vessels still need the ice patrol?

The seas where the North Atlantic shipping lanes pass near the Grand Banks are particularly challenging for mariners due to frequent fog and high seas. The combination can make it extremely difficult for even a modern vessel to detect an iceberg and avoid it. If there were no ice patrol, vessels would have to reduce risk of collision by either slowing speed considerably or avoiding the Grand Banks entirely. Every additional sea mile or hour adds to transportation costs and delivery time. In this age of “just in time” delivery, longer and more costly voyages equal higher costs and higher prices for consumers.

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