Aero Linx: Regional Air Cargo Carriers Association (RACCA) The Regional Air Cargo Carriers Association (RACCA) is the only organization dedicated to meeting the policy, communications, and information needs of on-demand cargo aircraft operators in the U.S. With over 50 FAA-certificated air carriers as regular members—and many more companies involved in their service and support—our membership spans both Part 135 and select Part 121 operators.