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What are the benefits of SSR Mode S for controllers?

April 26, 2017Benefits controllers mode ssr

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What are the benefits of SSR Mode S for controllers?

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Due to its selective method of interrogating targets, SSR Mode S presents controllers with a much improved radar environment. RF pollution (eg. replies from other radar interrogations and ACAS transactions) is greatly reduced, tracks are not lost due to target saturation and overlapping tracks (eg. aircraft in holding stacks) are more readily discernable. EHS presents controllers with a continuous display of magnetic heading, indicated air speed/Mach no., vertical rate and selected altitude for each compliant aircraft, thereby reducing considerably the number of air/ground R/T exchanges and providing verification that instructions have been complied with.