; (B) 2 representatives designated by the principal organization representing aviation-related businesses, including fixed-base operators; and (C) 2 representatives designated by the principal organization representing aerospace manufacturers of general aviation aircraft and equipment. (6) Air Traffic Controller Nomination Panel An Air Traffic Controller Nomination Panel composed of 6 representatives designated by the largest organization engaged in collective bargaining on behalf of air traffic controllers employed by the Corporation. (7) Airport Nomination Panel An Airport Nomination Panel composed of— (A) 3 representatives designated by the principal organization representing commercial service airports