Its head office is located on the fourth storey of Singapore Changi Airport's Terminal 2.

[3] Established on 1 September 1984, the CAAS regulates civilian air traffic within the airspace jurisdiction of the Republic.

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).

In July 2017, CAAS and the European Aviation Safety Agency (EASA) entered into a working arrangement to recognize each other's certifications.