Flight SQ192 from Singapore to Hanoi is operated by Singapore Airlines. (Photo: VNA) Flight SQ192 from Singapore to Hanoi, operated by Singapore Airlines, marks a milestone as Vietnam fully opens its doors to international visitors, said Nguyen Thi Kim Nga, Deputy Director of Noi Bai International Airport. The Civil Aviation Authority of Vietnam (CAAV) said country has resumed services to foreign tourists from March 15, noting that domestic airlines have geared up for the restoration. To prepare for the increased frequency of international flights, the carriers have stepped up recruitment to fill up the layoffs triggered by the pandemic, the authority added. According to the airlines, they allow international passengers to refund and change tickets free of charge since there have been no entry regulations in the new situation issued yet. Bui Doan Ne, Secretary General of the Vietnam Aviation Business Association (VABA), said his association has proposed ministries and agenci