1.1 International Airports At present, Thailand has six international airports, including Bangkok International Airport (Don Muang), Chiang Rai, Hat Yai and Phuket, which is the responsibility of the company. Airports of Thailand (AOT) and U-Tapao. Which is in charge of the fleet. These airports have the capacity to accommodate the number of flights, passengers and cargo efficiently. The Bangkok International Airport (Don Muang) is the main airport has improved the capacity to handle the volume of air traffic at all times. (The airport will open in 2548), with a capacity to accommodate passengers with 36.5 million / year for cargo up 1.2 million tons / year and receives flights during rush hours is about 60 times / hour. While the fiscal year 2545 the airport had 930,770 tons of cargo.