text: The Civil Aviation Authority of Singapore is Singapore's national aviation authority and a statutory board under the Ministry of Transport of the Government of Singapore. Its head office is located on the fourth storey of Singapore Changi Airport's Terminal 2.
  Established in 1984, the CAAS regulates civilian air traffic within the airspace jurisdiction of the Republic. It also helps to enable the growth of the air hub and aviation industry in Singapore, promotes safe industry practices and engages in civilian air service agreements with air service operators.CAAS also operates the Air Traffic Control Tower, providing air navigation services to ensure faultless movements of civilian aircraft at Singapore’s airports and in the Singapore flight information region (FIR).