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Unique Airport Systems (commonly referred to as SAS) are those systems that are special to an Airport. Many of the Special Airport Systems make use of modern technology (to some level) generally referred to as Information Technology.

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Unique Airport Systems (commonly referred to as SAS) are those systems that are distinct to an Airport. Many of the Special Airport Systems make use of innovation (to some level) typically referred to as Information Technology./ et_pb_section]