Tags Pham Quy Tieu Seminar told Long Thanh airport hub is long-term strategic issue Saturday, May 16, 2015 The Civil Aviation Authority of Viet Nam on Thursday held a seminar in HCM City to discuss the issues facing the proposed US$8 billion Long Thanh International Airport near the city. Aviation ties with Italy set to take off Monday, Jun 24, 2013 Viet Nam and Italy signed an aviation co-operation agreement in Rome on Friday, a move expected to facilitate development in tourism and trade.