The problem of terminal dynamical sorting and the landing time decision for each plane were researched in this paper. And the approach seat, one module of GuangZhou area air traffic flow management system was introduced.Firstly, the static time window model of scheduling aircraft landings at an airport with single runway or multiple runways was studied and the "δ matrix sorting algorithm" for deciding flights sequence was presented based on it. Then, the problem of landing time decision for each plane was solved by disparting and uniting the "compact flights sequence", and computational results were presented for simulated scenarios. In the end, the approach seat of GuangZhou area air traffic flow management system was expatiated.
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