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Air / Ground Trajectory Management |
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One of the main goals, and successes, of SESAR is the inclusion of all relevant actors in the process of ATM. For arrival management, and especially arrival management aimed at facilitating user-preferences, this process must include the interaction of ground-system support elements and airborne systems.
The two major components of this system-to-system interaction are the provision of airborne trajectories and aircraft intent to the ground systems, and the provision of ground-system constraints on their preferred trajectory to the airborne side.
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In work recently conducted with AVTECH, a Swedish-based ATM consultancy firm and provider of advanced flight simulation facilities, 4-D trajectories from a GE B737NG FMS [with U10.7 software upgrade] have been exchanged, in real-time, between the AASES platform and the TCD platform containing the prototype advanced arrival management functionality at EUROCONTROL [AMAN-P].
The trajectories downlinked from the aircraft include forward position estimates, and the estimated arrival time at the destination. Working on integrating the flight with others planned to arrive at the same destination, the ground-system AMAN processes the downlink, allocates a time for the flight within the landing sequence and then subsequently uplinks this time to the aircraft.
Using its onboard FMS capability the aircraft then 'flies' a time controlled arrival, RTA at the treshold.
A Power Point presentation on Air / Ground trajectory interchange, shown at Global ATC Exhibition 2008, is available here:
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