Hanoi, Sept. 30 -- The Civil Aviation Authority of Vietnam (CAAV) on September 30 announced that Da Nang, Phu Bai, Dong Hoi, and Tho Xuan airports have reopened though one flight was still forced to divert due to Typhoon Bualoi, the 10th to appear in the East Sea this year. According to the Vietnam Air Traffic Management Corporation (VATM), the storm directly affected flight operations in both the Hanoi and Ho Chi Minh flight information regions (FIRs) from September 26 to 29. Specifically, 42 flights were rerouted on September 26. The next day, 181 faced the same situation; particularly at Da Nang International Airport, five flights landed at alternate airports, 30 flights performed holding procedures, and one departure was cancelled due...