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Aircraft Noise Testing

Global Business, Government and Commercial interests in aviation continues to grow and the resultant increase in air traffic has its impact felt in many different ways. One major impact is the noise generated by aircraft and, to support the reduction of such noise, there remains the requirement to conduct noise surveys and assessments to improve design and noise management and also to assess an aircraft’s compliance with regulations.

CAeS offers comprehensive aircraft noise surveys and assessments in accordance with international and local policies and standards, including EASA (European Aviation Safety Agency) CS-36 (Certification specifications for aircraft noise) and ICAO (International Civil Aviation Organization) Annex 16 Volume 1. Aircraft noise surveys that include weather, background and aircraft generated noise measurements are conducted to allow the assessment of the impact of noise on the environment. Noise certification under ICAO Annex 16 Volume 1 Chapter 3 requires that a number of Effective Perceived Noise levels (EPNL) need to be determined for compliance. CAeS test those EPNLs for compliance.

The reference noise measurement points for each of the EPNLs, the associated flight procedures and an acceptable evaluation method for the measurements and analysis are all defined and in line with ICAO Annex 16.

All CAeS measuring equipment and proposed test set-ups shall be approved by EASA and CAeS will provide a comprehensive test report, including all the test data and analysis performed.

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