1.1 international airport At present, there are 6 Thai international airports including Bangkok Airport (Don Muang), Chiang Rai, Hat Yai and Phuket, which is in the responsibility of the company. Thai airport limited and u-tapao airport, which lies in the supervision of the Navy. The airport has capacity to accommodate quantity of flights. Passengers and freight more efficiently by the Bangkok Airport (Don Muang), which is the main international airport has been upgrading capability in order to accommodate the volume of air traffic is at any time (before suvarnabhumi airport will be opened in the year 2548 (2005)), with the capability to accommodate the 36.5 million passengers/year capacity to 1.2 million tons of cargo a year and has been/is supported in flight hours for approximately 60 back/hour when last year's budget, the city's Don Muang airport, 2545 (2002) be 930770 tons.