![]() ![]() The paper addresses the problem of urban road noise, in the context of the European legislative requirements regarding noise pollution. This number provides insight into whether a particular aircraft may use CDA. We also provide the number of aircrafts that can be accommodated within the airport’s stacking space using CDA. ![]() We utilize an analytical approach and queueing theory framework that considers factors such traffic and weather conditions to estimate the probability. If this probability is low enough, the controller may plan to permit CDA during that time period. ![]() In this paper, we calculate the probability that an aircraft arriving during a particular brief period of time (e.g., 15 min) will need to revert to SDA when the controller tentatively plans to permit CDA for all aircrafts arriving during that time period. Insufficient attention has been given to helping air traffic controllers decide when CDA may be used. Nevertheless, CDA has been limited to low traffic levels at airports, often at night, because it requires more separation distance between aircraft arrivals and, thus, could decrease throughput. Important for air transportation sustainability, using CDA reduces noise, fuel consumption, and pollution. Continuous Descent Approach (CDA) is the flight technique for aircraft to continuously descend from cruise altitude with an idle thrust setting and without level-offs, contrary to the staircase-like Step-down Descent Approach (SDA). ![]()
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