Organisation that defines qualifications of an aviation consultant, and encourages individual or corporate membership. Directory of members, code of practice and events diary.

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.

Non-governmental organisation dedicated to improving aviation safety by increasing international communication, awareness and cooperation on all airworthiness issues.

Non-profit organization dedicated to the advancement of the art, sport and science of aviation in the United States.