Greece changes prerequisites for flight passengers, extends non-EU countries list Greece changes prerequisites for flight passengers, extends non-EU countries list May 14, 2021 8,166 Views Greece’s Civil Aviation Authority (CAA) announced a new aviation directive (notam) for international flight passengers. The new notam expands the list of non-EU countries whose citizens can travel to Greece and allows all nationals to enter with either vaccination or illness certificate or a negative molecular PCR test. The Civil Aviation has also issued on Friday a statement regarding the Covid-19 certificates needed for domestic flights to island destinations. The instructions for passengers of foreign flights aimed at limiting the spread of COVID-19 disease, the CAA said in a statement issued on Friday evening, May 14, 2021.