By THE NATION
Around 90 per cent of the budget will be spent on improving its airports.
Of the total, Bt3.234 billion is earmarked for upgrades at airports in Krabi, Khon Khaen, Nakhon Si Thammarat, Trang, Surat Thani and Buriram.
The state agency will spend some of the budget on extending runways at Trang and Buriram airports.
It will also renovate airport car parking facilities at Ubon Ratchathani and Surat Thani.