Quote:
Originally Posted by JeromeHeretic
Leading light are often realized as two lights behind, so if you have both lights in one point and change course to the light, you know, that you ride in right course . Just imagine line and two lights <>------------------*--------* ( "<>" - your ship, "*" light)
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True, but similar to range lights (which they are often associated with), their light is commonly only visible from certain angles. As an example of that, here is a chart showing the Düne (Helgoland) leading lights: