Established on 1 September 1984, the CAAS regulates civilian air traffic within the airspace jurisdiction of the Republic. It also helps 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. This includes the usage of unmanned aerial vehicles (UAVs) such as drones and quadcopters by individuals or organisations. Agency 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).