Co-Operation in Calculations and Monitoring the Aircraft Noise in Airports with Dominant Contribution of FSU Aircraft

For assessment of the aircrafts noise impact on the community near to airports the acoustic calculations and measurements may be used. Obtained measurements results show ~1 dBA for L_Aeq coincidence with calculations results and allow to prepare correct database for practical use under ECAC method. While results of L_Amax estimation still remain under investigation. These requirements are important first of all for aircraft, which are designed in FSU, Russian Federation and Ukraine. Their contribution to the aircraft noise impact in airports of FSU countries is still dominant, so their correct input data is still necessary.