Continuous Descent: Saving Fuel and Reducing Noise for Airliners

(PhysOrg.com) -- Airline passengers arriving in Atlanta on early morning “redeye” flights during the past few months may have noticed something different during their descent to the runway. Instead of the typical sound of engine power rising and falling as the aircraft descended in a series of level flight steps, they may have noticed a quieter arrival - without the steps.

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<p><a href="http://www.physorg.com/news151688367.html">Continuous Descent: Saving Fuel and Reducing Noise for Airliners</a></p> <p>(PhysOrg.com) -- Airline passengers arriving in Atlanta on early morning “redeye” flights during the past few months may have noticed something different during their descent to the runway. Instead of the typical sound of engine power rising and falling as the aircraft descended in a series of level flight steps, they may have noticed a quieter arrival - without the steps.</p>