A key element of the NextGen traffic management concept is the ability to flexibly and efficiently resolve congestion at tactical timeframes (say, 30 minutes to 2 hours before anticipated congestion) by modifying individual flight trajectories.
Advanced TFM Congestion Management Performance Analysis and Research Results
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A key element of the NextGen traffic management concept is the ability to flexibly and efficiently resolve congestion at tactical timeframes (say, 30 minutes to 2 hours before anticipated congestion) by modifying individual flight trajectories. With better tactical traffic management capabilities, less intrusive measures are needed at strategic timeframes. But this kind of tactical congestion management requires automation support that can explicitly account for uncertainties in traffic and weather forecasts, and that can rapidly create flight-specific resolution actions which manage the risk of future congestion to acceptable levels.