The Air Line Pilots Association, Int'l (ALPA) is the largest airline pilot union in the world, representing more than 78,000 pilots at 41 U.S. & Canadian airlines. For more information, visit http://www.alpa.org. Founded in 1931, the Association is chartered by the AFL-CIO and the Canadian Labour Congress. Known internationally as US-ALPA, it is also a member of the International Federation of Air Line Pilot Associations (IFALPA).