Editing Single European Sky (section)

=== Disadvantages ===
* '''ATC job losses''': The SES would threaten the jobs of many air traffic controllers, because fewer would be needed to manage a pan-European sky.<ref name="van der Heide">{{Cite web |url=https://zakenreis.nl/regelgeving/single-european-sky-in-zicht/ |title=Single European Sky in zicht? |author=Lolke van der Heide |work=Zakenreis.nl |date=22 September 2020 |access-date=17 October 2020 |language=nl}}</ref>
* '''Security and sovereignty''': Some EU member states, mostly larger ones, have expressed certain objections to relinquishing their current systems,<ref name="van der Heide"/> primarily relating to national security and sovereignty concerns.<ref name="Ash lessons">{{Cite news |url=http://news.bbc.co.uk/2/hi/europe/8637729.stm |title=Q&A: Ash lessons for EU aviation |work=BBC News |date=27 April 2010 |access-date=18 October 2020}}</ref> For example, the SES could create problems concerning territorial sovereignty, such as over [[Gibraltar]]; [[Brexit]] seems to have removed this problem, however (see below).<ref name="Morgan"/>