ANNOUNCEMENTS ALL ANNOUNCEMENTS 14 MAY 2020 Announcement. Theoretical knowledge examinations procedures update. MORE 01 APR 2020 Announcement. COVID-19 Flight Standards Division. HCAA Exemptions. MORE 20 MAR 2020 Announcement for Covid-19. Passenger tracking form in the context of COVID-19 spreading and impact reduction. MORE 26 OCT 2018 Greece's Aviation Action Plan on emissions reduction Greece's Aviation Action Plan on emissions reduction MORE 29 APR 2015 ANNOUNCEMENT Of Hellinic Civil Aviation Authority ANNOUNCEMENT Hellenic Civil Aviation Authority announces that Certificates of Recognition, issued by «Hellenic Aviation Training Academy (HATA), MORE