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Strategic pre-flight functions focus on the planning and deconfliction of
routes for aircraft systems. The urban air mobility concept calls for higher
levels of autonomy with onboard and en route functions but also strategic and
pre-flight systems. Existing endeavours into strategic pre-flight functions
focus on improving the route generation and strategic deconfliction of these
routes. Introduced with the urban air mobility concept is the premise of
operational volumes. These 4D regions of airspace, describe the intended
operational region for an aircraft for finite time. Chaining these together
forms a contract of finite operational volumes over a given route. It is no
longer enough to only deconflict routes within the airspace, but to now
consider these 4D operational volumes. To provide an effective all-in-one
approach, we propose a novel framework for generating routes and accompanying
contracts of operational volumes, along with deconfliction focused around 4D
operational volumes. Experimental results show efficiency of operational volume
generation utilising reachability analysis and demonstrate sufficient success
in deconfliction of operational volumes.
