Originally posted by wonderworld
reply to post by dragonridr
Normal air traffic paths don’t change.
They follow the law of normal flight regulations. Each plane must keep a considerable distance from all others, in its own airspace.
Exactly, so we would expect 'Xs' to be a very common occurrence. Unless one believe there are only 2 airports in the world?
This video gives you an idea of just how many contrails cross one another over Britain every single day (assuming ambient conditions are right for persistent contrail formation)
www.bbc.co.uk...






