This paper presents implications of the diversity that exists in the assessment of aircraft noise as a result of the various noise descriptors, modeling methods, and noise-limit criteria applied to aircraft operations from an airport. The estimated cost of enforced building-facade sound-insulation projects varied by up to a factor of 50 depending on which noise descriptor and noise-rating system was applied. Although only one airport was studied, significant differences seem inevitable for communities around other airports. The various noise descriptors showed differing sensitivities to anticipated developments in civil aviation, such as the steady increase in the number of quieter aircraft, an increase in the number of daily aircraft operations with more nighttime flights, especially at international airports. The various aircraft-noise-rating systems currently used in member states of the European Union showed different impacts even though they all were based on the use of A-weighted sound levels. The differences were mainly caused by the choice of noise-limit criteria and partly caused by the way penalties are applied to the sound exposures from nighttime flights. Standardization of the aircraft-noise descriptor and noise-limit criteria, within the European Union, would lead to a more-fair (more-equal) burden with respect to environmental boundary conditions for airports, and more-equal protection for people living in the vicinity of airports. The changeover from various existing descriptors and criteria to a unified aircraft-noise descriptor and criterion system will, however, inevitably conflict with current land-use planning and building-facade sound-insulation projects in the various member states. Resolution of the conflicts will require diligent efforts over a period of time. The diversity in aircraft-noise descriptors and assessment criteria that has developed within Europe (and world-wide) indicates a complex unification process. The benefits of unification, however, are many and worthy of pursuit.


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    Titel :

    Impact of diversity in aircraft noise ratings


    Weitere Titelangaben:

    Einfluß der unterschiedlichen internationalen Bewertungen auf die Fluglärmstandards


    Beteiligte:
    Schuller, W.M. (Autor:in) / Ploeg, F.D. van der (Autor:in) / Bouter, P. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1995


    Format / Umfang :

    7 Seiten, 3 Bilder, 4 Tabellen, 2 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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