Published online by Cambridge University Press: 04 July 2016
In view of the increasing awareness of the population to noise pollution, reduction of aircraft noise annoyance to an acceptable level becomes one of the necessary conditions for the acceptability of aircraft operations close to populated areas. In particular, reducing the subjective acoustical annoyance of VTOL aircraft to the surrounding community should become the common objective of aircraft manufacturers, airport planners, potential aircraft operators and the community itself if the latter is to benefit from all the possible advantages of VTOL service.