Fédération Internationale des Sociétés Aérophilatéliques (International Federation of Aerophilatelic Societies), more commonly known as FISA, is the umbrella association for aerophilatelic societies. FISA represents and promotes Aerophilately and Astrophilately for its collectors within the international world of philately.
Fédération Internationale des Sociétés Aérophilatéliques (International Federation of Aerophilatelic Societies), commonly known as FISA, is the main association that encompasses aerophilatelic societies. FISA promotes and supports Aerophilately and Astrophilately among its members globally within the philatelic community.