Fédération Internationale des Sociétés Aérophilatéliques (International Federation of Aerophilatelic Societies), more commonly known as FISA,[1] is the umbrella association for aerophilatelic societies.
FISA represents and promotes aerophilately and astrophilately for its collectors within the international world of philately.
[2][3] The FISA Bulletin is an online only philatelic newsletter.
Every other year FISA holds an annual Congress, usually during a major national or international philatelic exhibition.
[4] Members include several philatelic societies such as, the American Air Mail Society.