Air Traffic Management Concept Baseline Definition - The Boeing ...
Air Traffic Management Concept Baseline Definition - The Boeing ... Air Traffic Management Concept Baseline Definition - The Boeing ...
6.2 Capacity Driven Concept Baseline The sequence of transition steps presented here defines one of many possible paths that the system operational concept and architecture could follow through the year 2015. This particular path is constructed with the objective of achieving the capacity goals stated in Section 2, using the team’s best judgment of what system enhancement steps could be taken during this period with available and emerging CNS/ATM technologies. This transition path, and most of the individual steps within it, have not been validated, and thus the quantification of the system capacity impact cannot be estimated for each step. Also, the baseline set of selected technologies will need to be subjected to requirements validation and system tradeoffs. The transition path, however, is a reasonable baseline from which to initiate the top level operational and technology trades that must be performed for initial concept validation, followed by the detailed validation studies that precede eventual implementation. Thus it supports the process presented in Figure 2.2, namely the research and development that must be initiated now to move the system successfully through 2015. 6.2.1 NAS Flow Management Figure 6.5 shows the proposed concept transition path for national and local traffic flow management. The diagram shows two parallel paths, one starting at the national level and the other starting at the airport level. The two paths merge in the third transition step into a coordinated traffic flow management system. The improvements implied in each transition step are detailed below. CNS/ATM Transition Logic Diagram Planning (1) NAS Improved Throughput Capacity Real-time Info Exch. EFM –Flpl feedback –Ration by sched –Flexible delay program –Schedule updates –Collaborative Dec. Making National Improved TFM Collaborative Traffic Management Dynamic Density Aircraft Weather Reports Convective Weather Forecast TFM Seq Spacing Tool Data Link Coordinated TFM System Air Traffic Mgmt System Local/Airport Enhanced Arrival Planning Integrated Airport Flow Planning EFM –Config Mgmt Sys –Departure Spacing Program –Surface Traffic Automation –Surface Movement Advisor Figure 6.5 CNS/ATM Transition Logic for Flow Management 106
National Level. Improved Traffic Flow Management This step involves real-time information exchange between NAS users and central flow management, focused primarily on automatic schedule updates from the airlines and timely notification to airlines of flow management actions. Currently only OAG schedule and historic routing is used in the ground-hold program. National Level. Collaborative Traffic Management This operational enhancement includes a collection of changes in flow management aimed at giving users more flexibility in deciding how delay is allocated across their operation. Delay will be allocated to operators according to their published schedule, and the operator in turn allocates the delay to their individual flights. Where arrival airport capacity is the constraint, emphasis will be on arrival airport schedule management and away from departure gate-hold times. This will allow operators to minimize the overall cost impact of delay on their operation by prioritizing flights according to issues such as passenger and baggage connections. Airport Level. Enhanced Arrival Planning This enhancement step provides improved terminal area arrival flow planning, including arrival runway load balancing, enhanced arrival sequencing and improved arrival flow replanning, given a perturbation such as runway change or convective weather. Airport Level. Integrated Airport Flow Planning This enhancement step involves a group of airport traffic planning initiatives aimed at integrating arrival and departure traffic, along with surface movements, into a coordinated plan. This will include optimal airport balancing of arrival and departure resources and the need for automation to support airport configuration management, including the replanning from one configuration to another due to transients. Coordinated Traffic Flow Management System In this step flow planning at the national, regional and local level are brought together in a coordinated system. The function allocation strategy to achieve this step, and the technologies required are to be determined, but many of the relevant issues are brought out in Section 3.3. 6.2.2 NAS En Route and Outer Terminal Area Figure 6.6 shows the proposed concept transition path to achieve increased capacity in the en route and TMA Arrival/Departure operating phases. The sequence of operational improvement steps represented by the boxes, from top to bottom, address a reduction in effective traffic spacing starting with airway spacing criteria, through reduction of intervention rate and intervention buffers, to the eventual reduction in the basic separation standard. The improvements implied by each box are described in detail below. 107
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National Level. Improved <strong>Traffic</strong> Flow <strong>Management</strong><br />
This step involves real-time information exchange between NAS users and central flow<br />
management, focused primarily on automatic schedule updates from the airlines and timely<br />
notification to airlines of flow management actions. Currently only OAG schedule and<br />
historic routing is used in the ground-hold program.<br />
National Level. Collaborative <strong>Traffic</strong> <strong>Management</strong><br />
This operational enhancement includes a collection of changes in flow management aimed<br />
at giving users more flexibility in deciding how delay is allocated across their operation.<br />
Delay will be allocated to operators according to their published schedule, and the<br />
operator in turn allocates the delay to their individual flights. Where arrival airport<br />
capacity is the constraint, emphasis will be on arrival airport schedule management and<br />
away from departure gate-hold times. This will allow operators to minimize the overall<br />
cost impact of delay on their operation by prioritizing flights according to issues such as<br />
passenger and baggage connections.<br />
<strong>Air</strong>port Level. Enhanced Arrival Planning<br />
This enhancement step provides improved terminal area arrival flow planning, including<br />
arrival runway load balancing, enhanced arrival sequencing and improved arrival flow replanning,<br />
given a perturbation such as runway change or convective weather.<br />
<strong>Air</strong>port Level. Integrated <strong>Air</strong>port Flow Planning<br />
This enhancement step involves a group of airport traffic planning initiatives aimed at<br />
integrating arrival and departure traffic, along with surface movements, into a coordinated<br />
plan. This will include optimal airport balancing of arrival and departure resources and the<br />
need for automation to support airport configuration management, including the<br />
replanning from one configuration to another due to transients.<br />
Coordinated <strong>Traffic</strong> Flow <strong>Management</strong> System<br />
In this step flow planning at the national, regional and local level are brought together in a<br />
coordinated system. <strong>The</strong> function allocation strategy to achieve this step, and the<br />
technologies required are to be determined, but many of the relevant issues are brought<br />
out in Section 3.3.<br />
6.2.2 NAS En Route and Outer Terminal Area<br />
Figure 6.6 shows the proposed concept transition path to achieve increased capacity in the<br />
en route and TMA Arrival/Departure operating phases. <strong>The</strong> sequence of operational<br />
improvement steps represented by the boxes, from top to bottom, address a reduction in<br />
effective traffic spacing starting with airway spacing criteria, through reduction of<br />
intervention rate and intervention buffers, to the eventual reduction in the basic separation<br />
standard. <strong>The</strong> improvements implied by each box are described in detail below.<br />
107
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