ALPA - Advancing Aviation Safety and Security since 1931
ALPA, Airline Safety, Security, largest pilot union, international
The Air Line Pilots Association, International (ALPA) is the largest airline pilot union in the world and represents more than 78,000 pilots at 41 U.S. and Canadian airlines. Founded in 1931, the Association is chartered by the AFL-CIO and the Canadian Labour Congress. Known internationally as US-ALPA, it is a member of the International Federation of Air Line Pilot Associations.