Abstract
The rapid annual increase in air traffic volume leads to serious capacity problems especially at major airports. Airport runway capacities are significantly limited by wake turbulence phenomena between arriving and departing aircraft pairs. RECAT, an international joint effort, aims to redefine wake turbulence categories and their associated minima to increase runway capacities. This study analyses the impacts of possible RECAT implementation on arriving and departing flight sequences for independent parallel runway configurations with saturated demand. Istanbul New Airport is modelled as a test case using Simmod Pro, a discrete-event simulation tool. A baseline and an alternative scenario has been created to compare the current and RECAT separation minima. The implementation of RECAT improved the total throughput and reduced airborne delays for arriving flights while it increased departure queue delays and lengths. Further operational strategies are required to increase the benefits of RECAT for departing flight sequences.
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