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International Federation of Air Line Pilots' Associations (IFALPA)

The Air Line Pilots Association, International (ALPA) is the largest pilot union in the world, representing more than 80,000 pilots from 42 US and Canadian airlines. ALPA was founded on 27 July 1931 and is a member of the AFL-CIO and the Canadian Labour Congress. Known internationally as US-ALPA, ALPA is also a member of the IFALPA.