A snapshot of recent air traffic management research and development activities - Spring, 2010

Progressive implementation of Wake-Independent Departure and Arrival Operations (WIDAO) at Paris CDG airport

Restrictions placed on the operation of closely spaced parallel runways at Paris Charles de Gaulle airport, due to possible wake turbulence, have been overly conservative. Through an extensive LIDAR data collection campaign and a series of safety cases, runway separation constraints are being relaxed in several steps, thereby improving departure queue management, reducing taxiway congestion and simplifying complex procedures.
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Increased sector capacity once main airports implement Airport CDM

 
Airport Collaborative Decision Making (A-CDM) aims to improve the overall efficiency of operations at airports by linking the airborne trajectory with the airport turnaround process. As well as enhancing ground planning, Airport CDM will provide significant improvements in network capacity. Reducing variability in take-off times will result in smoother flows of traffic through sectors, allowing the reduction of capacity protection buffers, which in turn results in increased declared sector capacities. Network benefits will become significant once the 16 largest airports in Europe have implemented A-CDM, and will continue to increase as more airports implement.
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Using aircraft derived data to improve the accuracy of ground trajectory predictions

The ADAPT2 project has conducted experiments to assess the improvements which could be made in the performance of an industrial ground trajectory predictor (TP) by using aircraft derived data (ADD). Potential aircraft derived data elements, such as aircraft mass and the FMS 4D predicted trajectory, were recorded onboard SAS commercial flights during continuous descent approaches, and these were then used in a Thales ground trajectory predictor. Significant improvements were observed in prediction bias (accuracy) but no significant improvements were observed in prediction variability (precision).
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Episode 3 results pave the way for SESAR validation

 
The European Commission Episode 3 (EP3) project has identified and developed processes, techniques and materials which are appropriate to the validation of the SESAR concept. Key elements of the concept were refined and described in a set of Detailed Operational Descriptions. These elements included collaborative network planning, trajectory management and airport operations. No major obstacles to the realisation of the concept were found. A performance framework was developed to allow the aggregation of validation results of many different types. Positive performance trends were observed but the measurement of overall performance proved to be very challenging.
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Updated concept validation methodology is now available

 
The E-OCVM (European Operational Concept Validation Methodology) is widely accepted within the ATM R&D Community, ensuring that validation activities help us ‘build the right system’ to meet evolving ATM Operational needs. Based on experience since its introduction in 2005, E-OCVM has been revised in the newly-released Version 3 to better meet the needs of large programmes, to manage concept maturity through the development lifecycle and to give better guidance on addressing stakeholder needs in ‘transversal’ business (or “decision making”), economic, safety, environment, human performance, and standards and regulation ‘cases’.
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8th Innovative Research Workshop and Exhibition

 
The first week of December has become the traditional date for the Innovative Research Workshop and Exhibition at the EUROCONTROL Experimental Centre in Brétigny sur Orge. The eighth of its kind took place on 1st to 3rd December 2009 and, as in previous years, brought together around 200 researchers from Europe and overseas. All workshop papers and presentations are available online.
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Airborne self-separation at Innovative Research Workshop

 
The European Commission's iFly project is investigating the feasibility of airborne self-separation in dense traffic. The results of three studies were presented at the 2009 Innovative Research Workshop. The first compared priority rules for self-separating aircraft, the second presented a technique for analysing complex, multi-agent hybrid systems, and the third described a conflict resolution scheme.
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First SESAR Work Package E call for research networks

 
The first SESAR work package E call for research networks has been launched. The call, aimed at universities, research centres and industry, is open until April 8th 2010. It requests proposals to form research networks focusing on one of four research themes: ‘Legal Aspects of Paradigm Shift’, ‘Towards Higher Levels of Automation in ATM’, ‘Mastering Complex Systems Safely’ and ‘Economics and Performance’
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