31 May 2016
Airservices, Australia’s air traffic control provider, has today released results of a data validation study completed in Perth earlier this year which finds that the actual noise experienced by residents accurately reflects the noise modelling used by Airservices.
Results of the data validation study, completed between 15 February and 10 April 2016, showed there were little difference between the modelling and measured noise levels for all aircraft types at the noise monitors located closest to the airport (Langford and Thornlie).
Differences between the averages of the measured maximum noise level was within one standard deviation of the modelled value from Canning Vale.
The results of the data validation study mean that there will be no changes to the flight paths for aircraft departing to the south from Runway 21.
Airservices uses the best available tools for aircraft noise modelling worldwide.
Airservices works closely with stakeholders and the community on aircraft noise issues and has worked collaboratively with the Perth community over a number of years to provide aircraft noise improvements where possible and safe to do so,.
This study confirms our modelling and our previous finding that any change to night-time departures from Runway 21 would not deliver an overall noise improvement.
The data validation study shows on average there were 4.2 departures at a time that is likely to cause sleep disturbance. This exceeds Airservices assessment criterion (of three flights) for this proposal.
The validation was also independently reviewed by specialists from the engineering firm AECOM and results from the study are available on Airservices website.