A Review of Air Safety Occurrences during the introduction of AMATS


Changes to the airspace management system which were introduced on the 12th of December 1991, firmly established the responsibility with the pilot for aircraft collision avoidance outside controlled airspace, and for avoiding penetration of controlled airspace. In doing so it was a radical modification to the Australian Air Traffic Services (AS) system.

In view of significance of the changes, the Bureau of Air Safety Investigation (BASI) undertook an evaluation. This evaluation took the form of the investigation of all occurrences which were deemed to be related to the AMATS changes in a four month period from the 12th of December 1991. Additionally a questionnaire was disseminated in the BASI Journal and deidentified CAIR reports were used to supplement the information available.

In the four month period, 147 occurrences were categorised as AMATS related. The Bureau received 169 questionnaires and 51 CAIR reports.

Type: Research and Analysis Report
Series number: RP/91/12
Publication date: 21 November 2003
ISBN: 0 642 19852 7
Related: Airspace
Last update 07 April 2014
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