CRS: Changes in Airport Passenger Screening Technologies and Procedures: Frequently Asked Questions

Changes in Airport Passenger Screening Technologies and Procedures: Frequently Asked Questions, Bart Elias, Specialist in Aviation Policy, November 23, 2010

  • “During 2010, TSA introduced whole body imaging (WBI) systems at airport checkpoints around the United States. Previously, the systems were used only on a trial basis at a small number of airports. They are now in use as a primary screening method at most busy passenger airports. These systems, which the TSA refers to as advanced imaging technology (AIT) systems, capture an image of what lies underneath an individual’s clothing. Critics have referred to this as a “virtual strip search.” If an individual considers this screening method too invasive or revealing or prefers not to undergo AIT imaging for any other reason, TSA provides the option of submitting to a pat-down search instead. In response to aircraft bombing attempts and intelligence regarding terrorist explosives concealment methods, TSA also has changed pat-down procedures to more thoroughly inspect individuals for concealed items. The use of pat-down procedures has also become more frequent, including searches conducted at gates immediately prior to boarding.”
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