There used to be discovery wings, and i would look forward to a thursday night when it was civil aviaiton evening. A classic show was "A plane is born". (argh, can't remember his name) made an aircraft of his own while training for his PPL, and you used to be able to see all the training exercises.
But they removed it from virgin media, im not sure if it is still on sky
(Not seconds from disaster)
Air crash investigation then?
