I am going to use this thread as a little change-log for smaller changes from now on.
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2009/07/06
Showing block time on route information page
2009/06/30
Added the world map link (top left, below the route map-link). Viewing airport information pages is easier.
2009/06/29
Fuel costs are listed in detail on route creation/edit page
2009/06/19
Makers order books displaying now the correct delivery dates, right now, a user gets 2 aircrafts max. per manufacturer in a month - this is now shown on this page