CAPA is a trade association comprised of over 22,000 professional pilots. CAPA's purpose is to address safety, security, legislative and regulatory issues affecting the professional flight deck crew member on matters of common interest to the individual member unions. The four members of CAPA are: Allied Pilots Association (American Airlines), US Airline Pilots Association (US Airways), Independent Pilots Association (UPS Airlines), Teamsters Local 1224 (Allegiant Air, Atlas Air, Brendan Airways, Horizon Air, Hyannis Air, Kalitta Air, Miami Air, Omni Air, Silver Airways, and Southern Air).