Issuance of permits for performing aviation works, parachute jumps, demonstration flights of aircraft, flights of unmanned aerial vehicles (except for flights of unmanned aerial vehicles with a maximum take-off weight of less than 0.25 kg), raising tethered balloons over the city of Naberezhnye Chelny, as well as for performing landing (take-off) on sites located within the boundaries of the city of Naberezhnye Chelny, information about which is not published in aeronautical information documents.