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PJ.18. 4D Trajectory Management

Baltic FAB/B4 Consortium representative in the project: PANSA and SE ORO NAVIGACIJA

Project snapshot:

     The SESAR concept is based upon the fundamental element of trajectory sharing. The ultimate goal is a trajectory based ATM system where actors optimise business and mission trajectories through common 4D trajectory information taking into account users priorities and ATC constraints. The objective is the sharing of the trajectories between the ATM actors including Airspace Users through an iterative process to take into account more accurate data once available (e.g. intentions, MET forecast, current traffic, airspace management). This will allow the Airspace User to choose the preferred way of integrating ATM constraints when required.
     Work done in step 1 focused predominantly on independent operational processes working with trajectory information on different time horizons. There is a need to improve integration between these different operational processes using and modifying trajectories.

The SESAR 2020 PJ.18 “4D Trajectory Management“ project aims at delivering the following SESAR Solutions:

     1. Improved mission trajectories to enable smooth integration of military operations in the ATM network.

     2. Integration of trajectory management processes in planning and execution and to improve sharing of trajectory information, and to clarify roles and responsibilities regarding SBT and RBT revision and update processes. Consolidation and extension of the trajectory and flight plan information exchange technical solution to provide the infrastructure enabling seamless operation and trajectory sharing in response to the need of the SESAR Solutions.

     3. To make available (i.e. capability development), manage and share AIM and MET information enabling the use and integration of the most up-to-date and suited information in trajectory processes.

     4. Improved Trajectory Prediction through data exchange between air and ground and the use of other sources in order to support all advanced operational processes required in S2020.