Aims to provide a safe, efficient, and effective air traffic system.

Strives to enhance efficiency in the delivery of safety and other services to the Australian maritime industry. Also responsible for search and rescue, and the protection of the marine environment.

Investigates accidents and aims to improve transport safety. Site includes news, accident reports, research and black spot programs.

As the safety regulator, CASA has primary responsibility for maintaining, enhancing, and promoting the safety of civil aviation in Australia.

Administers and reviews the National Capital Plan, recommends and carries out works that maintain or enhance the character of the National Capital, and is responsible for fostering an awareness of the National Capital.

Responsible for the management and administration of Australia's Territories and the Commonwealth Government's relationship with the Australian Capital Territory and the Northern Territory.

An independent statutory authority responsible for the allocation of scheduled international air route capacity to Australian carriers on public benefit grounds.

Provides policy advice to the Ministers and delivers a variety of programs on behalf of the Commonwealth Government.