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The European Union Aviation Safety Agency (EASA) has published the NORAH2 software prototype and noise hemispheres database, the NORAH2 tool, to estimate the noise on the ground generated by rotorcraft operations. NORAH2 was developed as part of a four-year research project on rotorcraft noise funded by European Union’s Horizon 2020.
The NORAH2 software prototype and noise hemispheres database was developed as part of this project and the software prototype runs on Windows computers and does not require any installation. More information on how to use the prototype can be found in the User Manual that comes with it, as well as in the NORAH2 video tutorials.
As part of the programme a study (Determination of a human dose response with respect to single events of Urban Air Mobility-type vehicles) was developed to present dose-responses relationships for drones and air taxis.