EUROCONTROL Navigation  
   The European Organisation for the Safety of Air Navigation, oversees air traffic control in member states. Its most important goal is the development of a coherent and coordinated air traffic control system in Europe.
   http://www.ecacnav.com

Flight Test Society of Australia  
   Membership comprises military and civilian qualified test pilots, navigators and engineers, whose professional expertise embraces a major part of the aeronautical spectrum. Society overview, news, and member resources.
   http://www.ftsa.org.au/

Australian Division of the Royal Aeronautical Society  
   Society overview plus news and information about the RAeS activities in Australia.
   http://www.raes.org.au/

UL Aeronautical Society  
   A resource for our members. Includes details of upcoming events, an extensive picture gallery and information about our history.
   http://aerosoc.csn.ul.ie