The main objectives of the audit were to examine DOTARS' response to the heightened threat environment following the events of 11 September 2001, and to determine the extent to which DOTARS' monitoring and compliance regime ensures that the aviation industry complies with its security obligations. The scope of the audit included:

• the respective roles and responsibilities of the organisations involved in aviation security;
• the setting of security settings; DOTARS' monitoring of airport, airline and cargo security;
• the action DOTARS takes in response to security breaches; and
• evaluation of aviation security.

The audit reviewed the National Aboriginal Health Strategy (NAHS) component of the Aboriginal and Torres Strait Islander Commission's (ATSIC) Community Housing Infrastructure Program (CHIP). A major NAHS objective is to improve environmental health in indigenous communities through the construction and housing and the provision of water, sewerage and related systems. The objective of the performance audit was to form an opinion on ATSIC's management of the National Aboriginal Health Strategy program in providing housing and related infrastructure to Aboriginal and Torres Strait Islander communities, and to identify areas where program administration could be improved.

The objective of this audit was to provide an independent assurance on the effectiveness of Defence's management of the acqusition of armoured infantry mobility vehicles (IMV) for the Australian Defence Force (ADF). The audit sought to identify the initial capability requirements; analyse the tendering and evaluation process; and examine the management of the project by Defence. As such, this was not an audit of contractor performance, but of the formation and contract management of the aquisition project by Defence.

The objective of this audit was to assess the efficiency and effectiveness of the Commonwealth's management of the Great Barrier Reef as implemented by the Authority. This audit was undertaken because of the environmental significance of the Great Barrier Reef Region; its growing economic importance; recent changes to the Authority's budget arrangements; and because the Authority had not been subject to a performance audit since its establishment approximately 20 years ago.

Medicare is Australia's universal health insurance scheme. Underpinning Medicare is one of Australia's largest and more complex computer databases the Medicare enrolment database. At the end of 2004 the Medicare enrolment database contained information on over 24 million individuals. This audit examines the quality of data stored on that database and how the Health Insurance Commission (HIC) manages the data.

The objective of the audit was to assess the appropriateness of the use and reporting of confidentiality provisions in Australian Government contracts for 2011.

The audit objective was to assess the effectiveness of DMO's JORN and JFASmaintenance and support arrangements. The audit examined the maintenanceand operation of the JORN and JFAS radars, and their facilities.

The audit's objective was to assess, and report to Parliament on, the ATO's administration of petroleum excise collections. The audit examined whether the ATO had implemented effectively administrative arrangements for the collection of petroleum excise since the transfer of the function from Customs in 1999. Areas that were examined relating to administration of petroleum excise were:

• governance arrangements;
• licensing arrangements;
• compliance management;
• investigations; and
• revenue management.

The audit also reviewed the role of Customs in performing functions directly related to petroleum excise collections and key elements of the management relationship between the ATO and Customs in this area.

The objective of the audit was to assess the effectiveness of Defence’s monitoring of the implementation of ANAO and internal audit recommendations. The audit also examined a sample of ANAO and internal audit recommendations—reported as being complete by Defence—to assess the extent to which these recommendations had been implemented by Defence.

This audit followed up the ANAO's 1997 performance audit report on ADF health services (Audit Report No.34 1996-97 Australian Defence Force Health Services), which focused on the delivery of non-operational health services to entitled members. The objective of the follow-up audit was to assess Defence's implementation of recommendations made in the original audit report and their effectiveness in improving ADF health services.