Experience of fight against noise in passenger salon VIP TU-204 plane configuration

In article experiment on noise reduction in inside of the passenger plane, on the example of the Tu-204 plane with the VIP configuration is considered. Results of measurements of levels of sound pressure in cabins, both on the earth, and in flight are presented. An assessment is given to the presented results. The main source of noise - the air conditioning system of the plane is revealed and actions for noise reduction from her work are formulated. Experimental assessment from introduction of actions is given and the conclusion is drawn on their efficiency.