The Directorate General of Civil Aviation (DGCA) in India has set a noise limit for aircraft purchased by airlines operating in India.
DGCA chief Bharat Bhushan said, “The rule will be applicable to aircraft manufactured after July 2011 and not to existing aircraft fleet.”
Under the rule, new aircraft will be cleared for use only if the noise emitted from their engines is within the limit prescribed by the airline regulator.
Noise levels will be tested at three stages including take-off, landing and when the aircraft is airborne but close to the ground.
The maximum noise levels have been set inkeeping with international standards set by the International Civil Aviation Organisation.
The highest level permissible for an aircraft is 106 effective permissible noise decibel (EPNdb), according to the Hindustan Times.
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