Step 1

Step 1, "Time-based Operations" is the building block for the implementation of the SESAR Concept and is focused on flight efficiency, predictability and the environment. The goal is a synchronised European ATM system where partners are aware of the business and operational situations and collaborate to optimise the network. In this first Step:
- time prioritisation for arrivals at airports is initiated;
- datalink is widely used;
- initial trajectory-based operations are deployed through the use of airborne trajectories (by theground systems), and a controlled time of arrival(to sequence traffic and manage queues).
(Source: European ATM Master Plan Edition 2)


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