The A380 equipped with the new pilot assistance system at the Dübendorf airfield. Picture: Empa
Approach and landing are among the most complex phases of a flight. In order to enable pilots to fly as quietly as possible, the German Aerospace Center (DLR) has developed a new pilot assistance system that uses a display in the cockpit to show pilots exactly what action is to be taken for a low-noise approach. This is now being tested jointly with Empa researchers at Zurich Airport. From 9 to 13 September 2019, DLR is conducting a joint research project with the Swiss SkyLab Foundation and Empa to test the new system called LNAS ("Low Noise Augmentation System") on board an A320 DLR research aircraft approaching Zurich Airport. For the flight tests, the LNAS assistance system was also extended by a further approach procedure for optimised continuous descent flights and equipped with a new high-precision algorithm to enable an approach that is as energy-optimised and low-noise as possible. The optimised approach procedure will be tested on the basis of around 70 approaches to runway 14 (north approach, coming from Germany). "We need this number of similar approaches in order to obtain a broad database on the function of LNAS," explains Fethi Abdelmoula of the DLR Institute of Flight Systems Technology.
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