(g)the licensing of persons employed in the operation, manufacture, repair or maintenance of aircraft;(ga)[ the licensing of persons engaged in air traffic control; [Inserted by Act 44 of 2007, Section 5. ](gb)the certification, inspection and regulation of communication, navigation and surveillance or air traffic management facilities;(gc)the measures to safeguard civil aviation against acts of unlawful interference;](gd)the regulation of air navigation services, that is, aeronautical information services, aeronautical charting and cartography services, aeronautical meteorological services, search and rescue services, procedure for air navigation services and aircraft operations other than those referred to in clause (gb) and any other matter relating to air navigation services;