“…In the course of progressive liberalization in the ASAs, there was a gradual increase in the number of designated carriers and frequency of flights on international routes. As of 2018, air transportation in Ukraine was carried out by 34 national airlines, which performed 100.3 thousand commercial flights, which was 7.8 % Figure 1 Passenger turnover of air transport of Ukraine by types of services, [24][25] Figure 2 Dynamics of passenger transportation volumes by Ukrainian airlines, [24][25] Figure 3 Flights of domestic and foreign airlines in the airspace of Ukraine between 2015 and 2019, based on [26,[30][31][32]…”