Indian Regulator Takes Steps To Reduce Airport Noise
Regulatory/Legislative Aviation Daily Aug 03 , 2010 , p. 11 Neelam Mathews The Directorate General of Civil Aviation (DGCA) in India is looking at introducing continuous descent approach (CDA) at Indira Gandhi International Airport in Delhi as an immediate measure to reduce noise pollution following a court case pending by a non-governmental organization and a hospital. As communities become more aware of rights, cases are starting to be filed against airports on noise. “Our organization is on the forefront of many cases against noise pollution,” says Nasim Zaidi, director general of civil aviation. The CDA is a method by which aircraft approach airports before landing to reduce fuel consumption and noise. It involves maintaining a constant three-degree descent angle during landing, until meeting the instrument landing system. Instead of approaching an airport in a stair-step fashion, throttling down and requesting permission to descend to each new lower altitude, it allows fo...