Sailing

October 30, 2009 - 6:45am

Eurocontrol is warning helicopter operators, especially offshore oil operators, of a potential threat posed by “skysails,” giant kites that help propel some large ships such as oil tankers and container carriers. On September 15 a helicopter was descending over the southern North Sea to a nearby oil or gas platform when the crew saw such a skysail. It was flying ahead of a vessel, at around 1,000 feet, just below the clouds.

 
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