On Wed, Aug 11, 2010 at 5:57 PM, Ákos Maróy <akos at maroy.hu> wrote: > in Europe at least, airspace information is freely available Like this? http://www.nats-uk.ead-it.com/public/index.php%3Foption=com_content&task=blogcategory&id=167&Itemid=220.html