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NLR – Royal Netherlands Aerospace Centre

Royal NLR makes aerospace more sustainable, safer, more efficient and more effective with innovative solutions and practical advice

NLR has been a centre of expertise for over a century now, with a deep-seated desire to keep innovating. It is an organisation that works to achieve sustainable, safe, efficient and effective aerospace operations.

The combination of in-depth insights into customers’ needs, multidisciplinary expertise and state-of-the-art research facilities makes rapid innovation possible. Both domestically and abroad, NLR plays a pivotal role between science, the commercial sector and governmental authorities, bridging the gap between fundamental research and practical applications. Additionally, NLR is one of the large technological institutes (GTIs) that have been collaborating over a decade in the Netherlands on applied research united in the TO2 federation.

From its main offices in Amsterdam and Marknesse plus two satellite offices, NLR helps to create a safe and sustainable society. It works with partners on numerous programmes in both civil aviation and defence, including work on complex composite structures for commercial aircraft and on goal-oriented use of the F-35 fighter. Additionally, NLR helps to achieve both Dutch and European goals and climate objectives in line with the Luchtvaartnota (Aviation Policy Document), the European Green Deal and Flightpath 2050, and by participating in programs such as Clean Sky and SESAR.

NLR is the coordinator of SESAR2020 projects PJ.37-W3-ITARO (Integrated TMA, Airport and Runway Operations) and VLD3-W2-SORT (Safely Optimised Runway Throughput). Inside P.J37 NLR exercised two Real Time Simulations (RTS) on the NARSIM facility for integrating a few dedicated SESAR Solutions inside the busy TMA of Schiphol Airport. This related to combining Continuous Descent Operations with Fixed Approach Routes, Time Based Separation, Interval Management, RECAT-EU Pairwise Separation, Minimum Radar Separation, and Runway Occupancy Time separation. Furthermore a merge tool for the ATC controllers has been assessed.

Part of these combined solutions were also assessed during an Interval Management flight test program at Groningen Eelde Airport, executed jointly with DLR. In addition, and after a preparatory Fast Time Simulation had been performed, a Real Time Simulation was held by NLR on their fixed based flight simulator (named APERO) to investigate a novel cockpit concept for providing lead information and vertical guidance information to the flight crew while aiming to  meet constrained waypoints during a an optimized Climb profile operation.

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