File On 4

It's an incredible fact that flights to and from British airports are rising by over five per cent annually, and soon they'll have to put traffic lights in the sky.

In the past two years alone there have been a couple of horribly close shaves - so serious that air accident investigators have launched their own inquiries, which I guess must take some doing. How very reassuring.

As Julian O'Halloran reports in this enthralling programme, military jets have also come within a whisker of causing massive disasters.

A fine example of the BBC going up against a state-owned corporation, in this case National Air Traffic Services, and coming up with their own frightening conclusions.

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