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A regular lattice combines two ideas: a repeating (or regular) airspace structure and layers of parallel tracks. A repeating or regular airspace structure has several advantages over an irregular structure: firstly, the skills or methods used to control traffic in one part of the structure are applicable throughout the structure. Secondly, regularity gives rise to multiple routes with similar lengths. Flow management can select routes which distribute traffic evenly over a region. The same mechanism can be used to choose routes which avoid reserved areas. Furthermore, properties (e.g. safety) which apply to an element of the airspace apply wherever that element is repeated, so that reasoning about a small region of the airspace can be scaled up to apply to a much larger region. Layers of parallel tracks eliminate crossing conflicts between aircraft which are flying straight and level.
Theme: Innovative ATM Concepts
Keywords: Airspace Redesign, Airspace Structure, Conflict Avoidance
Posted by: Richard Irvine / Other authors: Horst Hering
Note: Unset Received On Jan 26, 2007

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