Indian sky-space is expected to get safer for fliers during time of low visibility and fogs as state owned Airport Authority of India (AAI) with help from Japan, is mulling over introducing an advanced system where the aircraft will use signal multiple transponders, instead of one at present for on-ground communications, which at times does not give out exact position of the aircraft.
The technology can be useful in increasing airport safety and capacity, especially under low visibility conditions, by providing airport surface surveillance and, at the same time, protecting against runway incursions by aircraft and vehicles. AAI is mandated with running of most of the civil aviation airports in the country including the air traffic management system.
According to officials from Communication, Navigation and Surveillance (CNS) department of AAI, the ultra-low cost technology increases the capability of ground-based surveillance with the aircraft to 15-30 nautical miles (NM). At present the range of the ground based surveillance covers only till the terminal side.
The system is currently being implemented at Sendai International airport in Japan. Japan's Electronic Navigation Research Institute (ENRI) recently made a presentation regarding it recently at an Aviation Seminar held in Mumbai to discuss the development of indigenous technologies in Civil aviation.
According to Hiromi Miyazaki, Chief Researcher at ENRI in Japan the new technology which is normally referred as multilateration surveillance system (MLAT) offers better immunity to multipath interferences though it requires fewer number of receiver stations. Also, the installation is much easier due to small size receiver unit and requires no electric construction using optical power feeding.
As per UN backed International Civil Aviation Organization (ICAO), MLAT is an enabling technology that will enhance the provision of ATM (air traffic management) in a variety of applications, from "radar-like" air traffic control purposes to enhanced situational awareness of surface movements. MLAT offers most advantages in situations where other surveillance systems (eg radar) are not available.
12/12/17 Shahkar Abidi/DNA
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The technology can be useful in increasing airport safety and capacity, especially under low visibility conditions, by providing airport surface surveillance and, at the same time, protecting against runway incursions by aircraft and vehicles. AAI is mandated with running of most of the civil aviation airports in the country including the air traffic management system.
According to officials from Communication, Navigation and Surveillance (CNS) department of AAI, the ultra-low cost technology increases the capability of ground-based surveillance with the aircraft to 15-30 nautical miles (NM). At present the range of the ground based surveillance covers only till the terminal side.
The system is currently being implemented at Sendai International airport in Japan. Japan's Electronic Navigation Research Institute (ENRI) recently made a presentation regarding it recently at an Aviation Seminar held in Mumbai to discuss the development of indigenous technologies in Civil aviation.
According to Hiromi Miyazaki, Chief Researcher at ENRI in Japan the new technology which is normally referred as multilateration surveillance system (MLAT) offers better immunity to multipath interferences though it requires fewer number of receiver stations. Also, the installation is much easier due to small size receiver unit and requires no electric construction using optical power feeding.
As per UN backed International Civil Aviation Organization (ICAO), MLAT is an enabling technology that will enhance the provision of ATM (air traffic management) in a variety of applications, from "radar-like" air traffic control purposes to enhanced situational awareness of surface movements. MLAT offers most advantages in situations where other surveillance systems (eg radar) are not available.
12/12/17 Shahkar Abidi/DNA
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