Responsible for the development and review of national and international airspace policy, in line with international standards and practices, to support safe, efficient and sustainable air navigation services provision. It is also responsible for safeguarding aircraft operations against hazards posed to safety of air navigation and works closely with industry partners, other government agencies and organisations to ensure the safe and optimal operation of aerial activities within the Singapore national airspace. The division is also responsible in formulating noise management measures to support flight operations while minimizing the impact to residents in vicinity of airports.