All air travellers must be Covid free CAAB threatens int’l carriers with flight suspensions if they carry people with no coronavirus-free certificates Star Report Star Report Airlines carrying passengers without Covid-19 negative certificates will have to face flight suspension penalty from now on. Civil Aviation Authority of Bangladesh (CAAB) came up with the directives as multiple airlines recently carried passengers to Hazrat Shahjalal International Airport without Covid-19 negative certificates. In some cases, some airlines also carried passengers despite having Covid-19 positive certificates. Group Captain Chowdhury Zia-ul-Kabir, member (Flight Standards and Regulations) of CAAB, said with great concern, CAAB observed several airlines carrying passengers without having Covid-19 negative certificates in RT-PCR lab.