Vickers Viscount.

For those of you interested enough, or those of you who have insomnia, here's a video I found on youtube showing footage of a Viscount just before it's retirement in 1996. I post it only as a guide to the unique sound of it's rolls Royce Dart turbo Prop engines which had me as a little boy ,running out of the house each time one flew over. - End of geek post, back to the picture next time!