Continuous Climb Operations (CCO) enable aircraft to execute optimal departing trajectories. However, current airspace design may not allow the integration of CCO due to incompatibility with air traffic flow. This paper lays out a new conflict risk model and assesses the impact of CCO in complex airspace. In this document, conflict risk is defined as the combination of conflict probability between an aircraft pair (CCO and arrivals) and estimated air traffic flows. The authors set out a new approach to determining the probability of vertical conflicts. This approach is based on the altitude distributions at conflict points, which are estimated using simulations (CCO) and real data (arrivals). Using altitude distributions, it is possible to statistically determine the probability of two aircraft infringing the vertical separation minimum. This methodology is applied to Palma airport (Spain). Results show that it is feasible to integrate CCO except for one conflict point where air traffic flows need to be redesigned. Therefore, this new conflict risk model can form the basis of a future decision-making process to validate new flight procedures or modify existing ones
Continuous Climb Operations (CCO) enable aircraft to execute optimal departing trajectories. However, current airspace design may not allow the integration of CCO due to incompatibility with air traffic flow. This paper lays out a new conflict risk model and assesses the impact of CCO in complex airspace. In this document, conflict risk is defined as the combination of conflict probability between an aircraft pair (CCO and arrivals) and estimated air traffic flows. The authors set out a new approach to determining the probability of vertical conflicts. This approach is based on the altitude distributions at conflict points, which are estimated using simulations (CCO) and real data (arrivals). Using altitude distributions, it is possible to statistically determine the probability of two aircraft infringing the vertical separation minimum. This methodology is applied to Palma airport (Spain). Results show that it is feasible to integrate CCO except for one conflict point where air traffic flows need to be redesigned. Therefore, this new conflict risk model can form the basis of a future decision-making process to validate new flight procedures or modify existing ones Read More
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