Evaluation and Control of Aircraft Noises. Influence on the Sensitive District around Airfield

Aiming at the prominent problem that the noises of aircraft in some airfields pollute the entourage currently, we set some sensitive position to monitor the pollution of aircraft noises in some airfield according to the noise characteristic of aircraft. On the basis of monitoring data, evaluate the actuality influence of noise pollution according to aircraft noises magnitude contours chart. The metewand adopt weight equivalent continuum perceive noise level and maximum of A-weighted sound level. On the basis of evaluation, the paper analyses some reasonable countermeasures against aircraft noises to protect entironment around the airfield according to the characteristic of use and airfield layout.