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Australia's State Aviation Safety Programme

3. State safety assurance

3.2 Australia's safety performance

Safety performance measurement and monitoring are the means by which the safety performance of the aviation system is described and evaluated. Through analysis of safety data and information, areas of emerging risk can be highlighted and this information used to inform decisions regarding making appropriate safety interventions and the subsequent assessment of effectiveness of those interventions.

A number of high-level safety performance (Tier1) indicators have been identified as markers for monitoring the State's aviation safety performance. These indicators consist of measures of adverse safety outcomes (accidents and fatal accidents) according to operational sector and relative to the level of activity within that sector (exposure).

Recognising the limited ability of these indicators to aid in the proactive identification of emerging risks, CASA has expanded on this set of indicators.

CASA has adopted a tiered approach to the development of indicators to describe safety at three different levels within the aviation system (refer Figure 2).

This approach allows CASA to capture the role of, and relationship between, the activities of the authorisation holder and the regulator in contributing to adverse safety outcomes. It also provides greater insight into the nature of those conditions that underlie potential adverse safety outcomes.

Safety Performance Indicators (Tier1, 2 and 3) are being developed to align with the key risk areas for CASA and the different sectors of the aviation industry.

Figure 2—Derivation of Safety Performance Indicators for Australian aviation
[Click map to view larger image]

Acceptable Level of Safety Performance (ALoSP)

An ALoSP requires the State to consider the effectiveness of the following four components:

  • the State's implementation of the SSP;
  • service providers’ implementation of SMS;
  • the management of aviation safety risk and associated Safety Performance Indicators; and
  • implementation of ICAO SARPs by the State.

Australia examines each of these elements through its aviation safety system.

Universal Safety Oversight Audit Programme Continuous monitoring approach

Australia undertakes a systematic, coordinated national approach to managing aviation safety.

The results of the last ICAO Universal Safety Oversight Audit Programme (USOAP) review of Australia's safety system, in 2008 support this. Since the 2008 audit, the USOAP has evolved to a Continuous Monitoring Approach programme.

Australia's full USOAP report, including updates on Australia's corrective action plan, is available from ICAO's public website.

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Last Updated: 9 November, 2017