Upgrade in Calcutta airport surveillance

Calcutta: Three new radars at the airport will make air traffic movement over the city and its surrounding areas safer within a couple of years.
“There will be a new primary surveillance radar, while two secondary radars will also be installed,” S.P.S. Bakshi, regional executive director (east), Airports Authority of India (AAI), said on Monday.
AAI officials in Delhi said Rs 30 crore has been sanctioned for the project, which will include construction of buildings to house the radars and instal equipment.
The primary surveillance radar, also known as approach surveillance radar (ASR), helps locate the position of an aircraft, while the mono-pulse secondary surveillance radar (MSSR) records its speed and altitude.
The ASR radiates electromagnetic waves that bounce off the aircraft and relay back to the radar, giving the plane’s location. The process does not require the Air Traffic Control to establish contact with the pilot.
“The ASR will be installed inside the airport but the two new MSSRs will be placed outside,” said Bakshi. A survey will be conducted to identify the site.
26/06/07 Sanjay Mandal/The Telegraph

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Categories: Airports Jun 2007, Safety Jun 2007