Rapporteur Christine de VEYRAC (EPP-ED, FR) also underlined the importance of the directive for the Single European Sky, created in 2004, as it facilitates both the establishment of cross-border functional airspace blocks and the provision of cross-border air-traffic control services.
Vienota licence ļaus arī attīstīt 2004. gadā izveidoto Eiropas "Vienoto gaisa telpu", kas paredz dispečeru pakalpojumu sniegšanu pāri robežām.