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  • Airport Security: A Comprehensive Guide to Passenger Screening
    Passenger Screening

    Before entering the secured area of the airport, passengers must pass through a security checkpoint. Here, they will be screened for weapons, explosives, and other dangerous items.

    The main components of passenger screening are:

    * Metal detectors: Passengers walk through a metal detector, which will sound an alarm if metal is detected.

    * X-ray machines: Passengers' carry-on baggage is scanned by an X-ray machine, which produces an image of the contents of the bag.

    * Pat-downs: If the metal detector or X-ray machine detects something suspicious, passengers may be subject to a pat-down by a security officer.

    Checked Baggage Screening

    Checked baggage is also screened for dangerous items, but the process is different from passenger screening. Checked baggage is screened using a variety of methods, including:

    * X-ray machines: Checked baggage is scanned by an X-ray machine, which produces an image of the contents of the bag.

    * Explosive trace detection (ETD) machines: ETD machines are used to detect trace amounts of explosives on the surface of objects.

    * Canine teams: Dogs are trained to sniff out explosives and other dangerous materials.

    Prohibited Items

    There are a number of items that are prohibited from being carried onto an airplane or in checked baggage. Some of the most common prohibited items include:

    * Weapons: Firearms, ammunition, knives, and other weapons are not allowed on airplanes.

    * Explosives: Explosives, detonators, and other incendiary devices are not allowed on airplanes.

    * Flammable liquids: Gasoline, lighter fluid, and other flammable liquids are not allowed on airplanes.

    * Poisons: Poisonous substances, such as arsenic and cyanide, are not allowed on airplanes.

    * Other dangerous items: Other items that are deemed to be dangerous or could be used to cause harm are not allowed on airplanes.

    TSA PreCheck®

    TSA PreCheck® is a program that allows pre-approved travelers to experience a faster and more efficient security screening process. TSA PreCheck® members do not have to remove their shoes, belts, or jackets, and they can keep their laptop and liquids in their carry-on baggage.

    Passengers can apply for TSA PreCheck® online or at a participating airport. The application fee is $85, and the membership is valid for five years.

    Global Entry®

    Global Entry® is a program that offers expedited clearance for international travelers arriving in the United States. Global Entry® members skip the long lines at customs and immigration, and they can use automated kiosks to process their entries.

    Passengers can apply for Global Entry® online or at a participating airport. The application fee is $100, and the membership is valid for five years.

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