New Delhi: The civil aviation ministry has asked major airports, including those in Delhi, Mumbai and Calcutta, to furnish data on noise pollution caused by flight movements.
The move follows a recent National Green Tribunal directive asking the Centre to specify noise levels at the Delhi airport between 10pm and 7am.
The tribunal had also directed the government to inform it about steps taken to monitor noise standards near other airports. The ministry has now sought such data from these airports in two time slots - late-night hours (10pm to 7am) and peak hours of the day (9 to 11am and 6 to 9.30pm).#"We have asked all major airports to collate and provide similar data during peak operational hours. It will help us decide on measures to control noise pollution," a senior ministry official said.
While the airports in Delhi, Mumbai, Hyderabad, Bangalore and Kochi are run in public-private partnership mode, most others are managed by the Centre-owned Airports Authority of India (AAI).
Noise Pollution (Regulation and Control) Rules, 2000 - issued by the Union environment and forests ministry - put airports under "industrial zones" where the noise limits are 75 decibels during the day and 70 at night.
Other officials conceded there was no regular noise monitoring at airports. But some pilots termed the limit of 75 decibels "not practical" at the busier hubs.
"The noise level inside a narrow-bodied aircraft during take-off is more than 90 decibels. During taxiing, an aircraft's engines produce minimal thrust. The noise level in the cabin then is 65 decibels," said a member of the Air India Pilots' Association.
Aviation experts say noise levels within 300 metres of jet take-off points could exceed 100 decibels.
27/07/16 Sumi Sukanya Dutta/Telegraph
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The move follows a recent National Green Tribunal directive asking the Centre to specify noise levels at the Delhi airport between 10pm and 7am.
The tribunal had also directed the government to inform it about steps taken to monitor noise standards near other airports. The ministry has now sought such data from these airports in two time slots - late-night hours (10pm to 7am) and peak hours of the day (9 to 11am and 6 to 9.30pm).#"We have asked all major airports to collate and provide similar data during peak operational hours. It will help us decide on measures to control noise pollution," a senior ministry official said.
While the airports in Delhi, Mumbai, Hyderabad, Bangalore and Kochi are run in public-private partnership mode, most others are managed by the Centre-owned Airports Authority of India (AAI).
Noise Pollution (Regulation and Control) Rules, 2000 - issued by the Union environment and forests ministry - put airports under "industrial zones" where the noise limits are 75 decibels during the day and 70 at night.
Other officials conceded there was no regular noise monitoring at airports. But some pilots termed the limit of 75 decibels "not practical" at the busier hubs.
"The noise level inside a narrow-bodied aircraft during take-off is more than 90 decibels. During taxiing, an aircraft's engines produce minimal thrust. The noise level in the cabin then is 65 decibels," said a member of the Air India Pilots' Association.
Aviation experts say noise levels within 300 metres of jet take-off points could exceed 100 decibels.
27/07/16 Sumi Sukanya Dutta/Telegraph
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