Mumbai: With the work to upgrade the new Instrument Landing System (ILS) completed successfully, flight delays at Mumbai airport decreased significantly on Monday. Airlines started the week with just a five-minute delay in arrivals, and overall flight delays came down to 184 from 510 on Sunday.
The first thunderstorms of the season on Saturday night affected flight operations and ten flights had to be diverted between 8 a.m. on Saturday and 10 p.m. on Sunday, airport officials said. “Although the ILS was to be implemented from 5.30 a.m. on Sunday, we commenced flight operations through it since midnight. Availability of ILS will mean less air congestion and fewer flight delays,” a senior air traffic controller said.
The work to upgrade ILS began on May 17 and was originally scheduled to be completed by June 5. Equipment tests were completed early on Friday, following which the system was cleared for operations. The Airports Authority of India (AAI) started using the ILS from midnight on Sunday.
A Mumbai International Airport Ltd. spokesperson said the ILS has been upgraded from 14 elements to 20 elements for better signal quality. One of the main components that has been improved is the localiser, which handles the guidance in the horizontal plane.
The localiser is an antenna system that comprises a VHF transmitter, which uses the same frequency range as a Very High Frequency Omni-directional (VOR) transmitter. VOR is a type of short-range radio navigation system for aircraft, enabling them to determine their position and stay on course by receiving signals from fixed ground-based equipment.
05/06/18 The Hindu
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The first thunderstorms of the season on Saturday night affected flight operations and ten flights had to be diverted between 8 a.m. on Saturday and 10 p.m. on Sunday, airport officials said. “Although the ILS was to be implemented from 5.30 a.m. on Sunday, we commenced flight operations through it since midnight. Availability of ILS will mean less air congestion and fewer flight delays,” a senior air traffic controller said.
The work to upgrade ILS began on May 17 and was originally scheduled to be completed by June 5. Equipment tests were completed early on Friday, following which the system was cleared for operations. The Airports Authority of India (AAI) started using the ILS from midnight on Sunday.
A Mumbai International Airport Ltd. spokesperson said the ILS has been upgraded from 14 elements to 20 elements for better signal quality. One of the main components that has been improved is the localiser, which handles the guidance in the horizontal plane.
The localiser is an antenna system that comprises a VHF transmitter, which uses the same frequency range as a Very High Frequency Omni-directional (VOR) transmitter. VOR is a type of short-range radio navigation system for aircraft, enabling them to determine their position and stay on course by receiving signals from fixed ground-based equipment.
05/06/18 The Hindu
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