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| For the improvement of the aircraft noise situation it was determined in 2007 by an amendment §32 of the air traffic act that the Federal Environment Agency is to be involved with the definition of air routes and flight procedures. Presently the assessment of proposals for the amendment of air routes rests primarily on operational criteria relevant for safety. Low transparency of the assessment procedure and insufficient consideration of the noise prevention was criticised during the last years by the aircraft noise affected persons. Within the scope of this study a proposal should be worked out for an improved assessment procedure which takes into account these criticized aspects. First the study presents the current legal bases and the procedure of the definition of air routes and flight procedures. Besides the involved stakeholders are introduced in case studies to describe the actual activities and judgments. Approach and departure procedure and their potential to decrease aircraft noise are explained and an insight into the actual assessment criteria and assessment procedures is given. A comparative analysis of internationally approved assessment procedures supports the determination of Best of all Practice-examples. Besides actual trends and developments are included in the study. Main focus of this study is the determination of a criteria catalogue which unites the different capacitive environment-related and operational aspects. In the developed 5-phase model for the assessment of air routes an unequivocal definition of the criteria is met. The quantitative classification and standardisation of the aspects is vital to guarantee an objective assessment. The assessment method is based on the Zurich aircraft noise index. Finally the practical application is explained along an example. |
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