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Presentation on theme: "- European CDM - To benefit from the animation settings contained within this presentation we suggest you view using the slide show option. To start the."— Presentation transcript:

1 - European CDM - To benefit from the animation settings contained within this presentation we suggest you view using the slide show option. To start the show click View - Slide Show. next page In-Flight Traffic Management

2 - European CDM - In-Flight Traffic Management Collaborative Decision Making Collaborative Decision Making Visit the European CDM website at for more information next page This presentation illustrates the principle of a collaborative process for flight-plan changes en-route, enabling the flight to be re-optimised in response to any changes in its environment... next step...taking into account the needs of both the Airline and Air Traffic Management.

3 Introduction next page The Airlines and Air Traffic Management (ATM) have complementary roles in the operation of Air Traffic: ATM is tasked to produce a safe, orderly and expeditious flow of traffic. The Airline Operations Centre (AOC) and the pilot aim to optimise individual flights and the flights of their schedule. In order to optimise flight efficiency while meeting constraints en-route, both these viewpoints are required. A number of improvements to that interaction are in train (e.g. What-If Re-routing), and others (e.g. Slot Swapping) are highlighted in the Flow Management scenarios on the CDM Portal. In-Flight Traffic Management concerns bringing together the two viewpoints for optimisation of the flight plan in flight – in particular re-optimisation in response to changes of environment en-route. next step These complementary viewpoints are already partially brought together in the strategic and pre-tactical timeframe, through the existing interaction between Flow Management and Airline flight planning.

4 Some reasons for flight plan changes en-route Meteo information update Change flight plan to take advantage of favourable winds, or to avoid severe weather. Airspace update – e.g. CDR3 becomes available Change flight plan to take advantage of CDR......or of a sector with spare capacity as a result of other traffic diverting onto the CDR. Arrivals Management at destination airfield Change speed or path to arrive earlier or later. (This links in with the Collaborative Optimisation of Arrivals application described in a separate scenario.) Change in airline priorities for a flight – as a result of some operational event e.g. the flight has become time-critical because the aircraft is required due to technical problems with another aircraft, or because of a change to the next assignment of the crew. Fly faster or change path to arrive earlier. Local airspace congestion – some local problems get through the filter of Flow Management Resolve local problems collaboratively between ATC planners and AOCs/pilots. next page next step The next two slides focus on two of these examples In-Flight Traffic Management to illustrate the envisaged In-Flight Traffic Management process... next step Disruption at destination airfield Divert to another airfield; or change speed or path to arrive earlier or later. next step

5 Scenario 1 - A change initiated by AOC meteo information provider co-ordination Approval / Counter-proposal / Rejection Proposed new flight plan update system information AOC receives new meteo information. AOC re-optimises the flight plan to take advantage of favourable tail winds, and proposes the new flight plan to the ATC Planner. ATC Planner and CFMU assess the impact on the current and downstream sectors, and respond with approval, counter-proposal or rejection. CFMU traffic predictions are updated, together with downstream sectors advance information. In-flight updates for CFMU are already being implemented through the Enhanced Traffic Flow Management System (ETFMS) project. favourable tail winds next page next step A new flight plan is agreed and flown. New flight plan agreed AOC ATC Planner CFMU New flight plan Downstream ATC

6 next step Scenario 2 - A change initiated by ATC ATC Planner ATC highlights short term local congestion to AOC and/or pilot, along with options: en-route hold, re-route around the problem area, descend and fly below it, fly slower to arrive at the problem area later. traffic congestion area highlighted area avoidance options Pilot/AOC assess options and respond with their preference for this flight. preferred avoidance option CFMU agreed flight plan changes Change to flight plan is agreed; CFMU and downstream sectors are updated. AOC next page Downstream ATC

7 Notes In-Flight Traffic Management The proposed In-Flight Traffic Management process will need to be trialled to establish detailed rules and procedures to ensure fairness and transparency. For example, must requests and preferences be dealt with on a first-come, first-served basis, or is another kind of prioritisation more suitable? next step Adequate information provision Adequate information provision is essential to the In-Flight Traffic Management process. In-Flight Traffic Management In-Flight Traffic Management assumes an ATC planning function. In-Flight Traffic Management In-Flight Traffic Management concerns in-flight changes to the Flight Plan. The proposed exchanges are between the ATC Planner and the AOC or Pilot. It is not proposed that the task of assessing Airline requests should fall to the Tactical (radar) Controller responsible for the tactical separation of flights. A common situational awareness will allow all parties to recognise and understand the change that has occurred in the flights environment, and to assess the available options and their impact. next page It is not proposed that tactical manoeuvres, which are time-critical, should be negotiated with the airline or the pilot.

8 In-Flight Traffic Management In-Flight Traffic Management will allow re-optimisation of flight plans en-route in a way that is not currently possible... Summary improving the efficiency of individual flights and schedule operations for Airlines improving the responsiveness of the air traffic system to deal with congestion – and to make best use of free capacity – on a smaller scale and on a shorter time-scale than Flow Management. next step - End of Presentation -


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