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. NCAT. National Center For Advanced Technologies - USA. Non-profit foundation for research and education in advanced technologies for aeronautical, defense and industrial applications. National Aeronautic Association (NAA) - Non-profit organization dedicated to the advancement of the art, sport and science of aviation in the United States. International Federation of Airworthiness (IFA) - Non-governmental organisation dedicated to improving aviation safety by increasing international communication, awareness and cooperation on all airworthiness issues. British Association of Aviation Consultants - Organisation that defines qualifications of an aviation consultant, and encourages individual or corporate membership. Directory of members, code of practice and events diary. 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. Association of Licensed Aircraft Engineers - Independent trade union for licensed aircraft engineers, approved engineers and those related to aircraft maintenance.