The Heart of Scotland AirShow used to be held at Perth Airport, Scone, few miles north of Perth.
Last airshow was held in 2010. Starting from 2011 it has disappearead from calendar. The website is still up and running but not updated.
http://www.perthairshow.co.uk/
You can find my pictures from the 2009 and 2010 AirShows by clicking the links below: