Colloquium on Environmental Aspects of Aviation

Montreal - April/2001Session 5

Aviation Noise - The Way Foward

Dr. Allemander J. Pereira Filho C.Eng., M.Eng., Ph.D.

THE BRAZILIAN VIEWPOINT TO THE FUTURE OF AVIATION AND ENVIRONMENT

Evolution of Aircraft Noise

Noise Areas Produced by Different Generations of Aircraft.

Results of Global Assessmentfor Noise Scenarios

0

200000

400000

600000

800000

1000000

1200000

1400000

0 10 20 30 40 50 60 70 80 90 100 110(US$)Billions

Source: MAGENTA and FESG - Presented by US in CAEP Steering Group Meeting, Seattle, Sep/2000

Ben

efits

(Net

Per

son-

year

) morestringencyoptions

“to recommend an amendment to Annex 16, Volume I involving an increase in stringency of 10 EPNdB relative to the current Chapter 3 cumulative levels. Trade-off would not be permitted and the sum of the certification margins at any two points should be at least 2 dB”

MAGENTA Assessment of Noise Policy Scenarios -No ICAO Action: Effect of Capacity Constraint Assumption