Sixteen Spitfires
 

There's nothing like the sound of a Merlin, although I suspect that the odd Griffon engined variant may be in this bunch.

http://www.youtube.com/watch?v=c6c3v9iihgw

Just a pity that my late father never saw this sight :(

The same event from a different angle.

http://www.youtube.com/watch?v=TXxzlOH92as