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Sydney Suburbs To Experience Significant Noise Due To New Airport Flight Paths

A large stretch of Sydney is set to expect high levels of noise following a preliminary flight path analysis for the city’s new airport. 

The proposed flight paths, which were released on Tuesday, have been set to avoid air-traffic passing over densely populated areas. 

Despite this, the plans show busy Sydney suburbs just south of Mount Druitt are likely to be affected by significant noise. 

According to the federal government’s modelling, the suburbs are part of a stretch of land that is likely to see noise reaching up to 70 decibels outside and 60db inside. 

These suburbs are likely to experience between 10 and 19 flights passing every day with other areas expected to experience flight between 20 and 49 times per day by the year 2040. 

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The average functional decibels of human hearing sits at 0db while the airport’s predicted sound emissions are expected to be between 60db and 70db which is likened to sitting close to a vacuum cleaner or washing machine. 

The new airport which is expected to begin operations by 2026, will be a 24-hour airport and is expected to ease some of the pressure on Sydney’s Kingsford Smith airport which currently functions between 6AM and 11PM. 

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