Air Line Pilots Association, International

The Air Line Pilots Association, International (ALPA) is a nonprofit employee-representing association and the world's largest airline-pilot union. Founded in 1931, it represents more than 80,000 pilots at 42 airlines in the United States and Canada, combining collective representation and advocacy with a professional Air Safety Organization, pilot assistance, technical expertise, and policy work on airline safety, security, training, and working conditions.