UK white paper released:
"...In some manufactured goods sectors where more complex products have the potential to pose a higher risk to consumers...the European Aviation Safety Agency (EASA) facilitate part of these regulatory frameworks.
the UK is seeking participation in these EU agencies, as an active participant, albeit without voting rights"
"a. for EASA, becoming a third country member via the established route under Article 66 of the EASA basic regulation, as Switzerland has;"
So, they want to stay in EASA.