Newsletter #02

The GreAT project has now been running for just over a year. Despite the pandemic and thanks to the flexibility and enthusiasm of all parties involved, the project is well on track, and we are starting to produce valuable outputs.

One of the biggest achievements so far is the delivery of the GreAT Overall Frame Concept in December 2020. It lays the foundation for assembling the detailed procedures, tools and use cases that will be simulated and tested later in the project. It also represents a toolbox which potential stakeholders ‒ such as air navigation service providers, airlines, or aviation authorities ‒ are welcome to use to gradually move towards greener air traffic.

In addition, work on the use cases considered in GreAT has begun. Prototype development will commence very soon. Regular coordination meetings prepare the validation activities both in Europe and China, defining ‒ as far as possible ‒ common standards to achieve comparability. In parallel, an environmental impact assessment methodology is being elaborated and shall be applied on both continents.

With this newsletter, we are pleased to give our readers an insight into our work. Enjoy reading!

Michael Finke
Institute for Flight Guidance, Braunschweig │ Germany
Project Coordinator

Learn more about GreAT and the optimization of flight trajectories
On track! This is where we stand: The consortium has tackled phases 3, 4 and 5.

Project Progress

Read about our recent accomplishments and current activities:

Concept of Greener Trajectory-Based Operations

With the delivery of the “Concept of Greener Trajectory-Based Operations” (TBO), GreAT has reached its first important milestone. It provides the base for subsequent project activities, notably for developing procedures and avionics systems that enable reductions in fuel consumption and greenhouse gas emissions. In July 2020, the design of the architecture of an advanced operational and system architecture for greener air traffic management has started and is progressing on schedule.

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To support the development of a Concept for Greener Long-Haul Operations, three areas are being investigated: First, en-route airspace concepts of operations, second, advanced algorithms for conflict-free trajectories assignment optimized to greener long-haul flight planning under the TBO concept as well as within the proposed FERA-WoC approach, and third, the increase of the availability of user-preferred 4DT profiles and flexibility of air traffic operation.

Read more

Greener Long-Haul Operations

Greener Short-Haul Operations

A key step enabling the implementation of the Greener Short-Haul Operations Concept is to set up different use cases and to test the concept. The preparatory work of use case design, describing the system components as well as their interaction, was completed in April 2021, thus enabling the consortium to enter the Airspace Design Phase and to integrate new functions in the planning and support systems as scheduled. The Short-Haul Operations Concept focuses on two main aspects, namely approach procedures and decision support systems for controllers.

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To validate the concepts developed within GreAT, the Chinese and European partners finally developed not only one, but two validation plans: one for Chinese and one for European ATM developments. Both plans follow the same structure and are based on common validation objectives. Reflecting GreAT's overall target, sustainability is the primary key performance area (KPA). Further KPAs to be explored are safety, capacity, efficiency, cost-efficiency as well as the human factor.

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Validation of Operational Benefits

Assessment of Environmental Impact

The objective of MWP7 is to evaluate assess the environmental impact from aviation pollutants, such as CO2 and NOx, on climate change. The preliminary steps include the establishment of common evaluation metrics, system and methodology. The fuel consumption and air pollutant emissions will be modelled and calculated scientifically. The improvements which 4DT-based green operational technology may bring in terms of climate change will be evaluated using an integrated validation method via multiple data sources. The tradeoffs between climate change impact and other environmental and performance indicators will also be studied.

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Floor to the Players

Meet the researchers working on GreAT!
For this issue, we interviewed Dr Lei Yang and Attila Barna Pásztor.

"Compared to conventionally structured en-route networks, FERA-WoC (Flexible En-Route Airspace in West of China) offers potential benefits for 4D trajectory selection and green air traffic operations."

Read more

Dr Lei YANG,
Assistant Professor, College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, People's Republic of China

"The main challenges regarding ATM systems on the European side are high airspace fragmentation, limitations in sharing the available material as well as human resources. On the Chinese side, there is  potential for an increase in flight efficiency, punctuality, and airspace capacity in general."

Read more

Attila Barna Pásztor
Project Manager, HungaroControl
Budapest, Hungary

Get Together

You can meet us (hopefully face-to-face) at some key events of the aviation sector in the coming months:

11th EASN Conference

September 1-3, 2021, Online Event
This online event organised by the European Aeronautics Science Network is all about innovation in aviation and space. GreAT will be presented in a joint breakout session together with three sister projects (ACACIA, ClimOP and ALTERNATE), which also work towards the common goal of climate-neutral aviation.

Visit EASN conference website

Airshow China 2021

September 28-30, 2021, Zhuhai, People's Republic of China
The biennial China International Aviation & Aerospace Exhibition (or for short: Airshow China) is the only international aerospace trade show in China endorsed by the Chinese central government. It features real-size products, trade talks, technological exchange and flying displays.

Visit event website

40th DASC Conference

October 3-7, 2021, hybrid event
San Antonio, Texas / USA, and online
In response to the pandemic, DASC 2021 has moved to a hybrid conference format. In-person attendance is encouraged, but the DASC 2021 Virtual Conference Platform will also allow virtual attendees to join live-streamed events, engage with exhibitors, present technical papers, participate in live Q&A’s, and access pre-recorded material.

Our project coordinator Michael Finke will virtually present GreAT at this conference.

Visit event website

World ATM Congress

October 26-28, 2021, Madrid, Spain

The World ATM Congress claims to be the world’s largest international air traffic management (ATM) exhibition and conference and to attract over 9,500 registrants this year.

Visit event website
We look forward to meeting you!
Visit the News & Events section on the GreAT website
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