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Welcome to our Newsroom. Here you can find the latest news, articles, and blogs from NLR. We also showcase a range of videos and publications here. For more video content, please visit our YouTube channel, NLRmedia. The NLR Repository provides access to our public library of NLR reports.
Platform Technology
11 October 2024
Upgrade of the rotorcraft noise model (NORAH)
Current international guidance on aircraft noise modelling is limited to fixed-wing aircraft, thus not covering rotorcraft noise. In the NORAH2 project, rotorcraft noise modelling guidance was issued and implemented in a software prototype. The hemisphere-based approach of the NORAH2 project is suitable for modelling rotorcraft noise of helicopters, as well as noise created by future […]
Sustainability and Environment
13 June 2024
The NORAH2 project helps predict noise nuisance of rotorcraft
Just like other large moving transport vehicles, helicopters and drones produce noise. To reduce nuisance for people in surrounding areas NLR actively researches reducing noise at the source, for example by designing silent propellers. Equally important, is the capability to predict noise of rotorcraft to regulate and ensure people do not experience excessive hindrance due […]
Sustainability and Environment
11 July 2023
Fewer delays and less noise nuisance at and near airports
It’s far from unknown for peak crowding at airports to hit the headlines. And it’s not only the passengers who are stuck in queues: it’s busy in the air too. That’s why the ITARO project has bundled various solutions together to reduce the delays for flights, including gains that can be made in terms of […]
Flight Operations and Certification
17 March 2022
Enhancing approach procedures to reduce noise and environmental impact (DREAMS)
How can Enhanced Approach Procedures (EAP) of airplanes contribute to reducing noise and environmental impact? NLR, EUROCONTROL, Indra, ENAV and Airbus participated in large-scale live flight demos as part of the SESAR 3 Joint Undertaking research project VLD1 DREAMS SESAR. This comprised a series of satellite-enabled solutions aimed at evaluating sustainable approach procedures in real […]
Sustainability and Environment
12 July 2021
Centralised information about aircraft noise
Aircraft noise leads to a lot of discussions in the Netherlands. To keep not only the general public but also politicians and policymakers properly and objectively informed, RIVM (the National Institute for Public Health and the Environment), NLR and To70 have bundled together relevant information about this topic and placed it on a new website, […]
Sustainability and Environment
19 February 2021
Blog: Trust in aviation is about more than noise nuisance alone
The past year has been an exceptional period for aviation: the outbreak of the coronavirus pandemic has sharply reduced air travel world-wide. At Schiphol Airport, the number of flights has fallen by 54% in comparison with 2019. Little or no air traffic means less exposure to aircraft noise. This is a situation that is unheard […]
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