A temporary ban on international travel was implemented in early April. The existing suspension of all international passenger flights to Thailand has been extended until the end of May. The Airports of Thailand (AoT) confirmed the temporary ban, which takes effect at 00:01 on 1 May and lasts until 11:59 on 31 May, via a notice from the Civil Aviation Authority of Thailand (CAAT). "This is to ensure continuity and effectiveness of precautionary measures against the Covid-19 outbreak," read the notice. The measure excludes state or military aircraft; emergency landings; technical landing without disembarkation; humanitarian and medical aid; relief flights; repatriation flights; and cargo aircraft. As reported, CAAT originally introduced the temporary ban in early April and this was extended twice until 30 April. AOT stressed the gravity of the Covid-19 situation in a letter to the Thai stock exchange sent in March, outlining the severe decrease in the number of flights and passengers