What is the second security check at the airport?

Secondary Security Screening Selection, or SSSS, is a designation by the Transportation Security Administration (TSA) that flags passengers for extra security screening. SSSS can happen on any flight to, from, or within the U.S., including inbound international flights.



People Also Ask

TSA doesn't publish specific guidelines on why certain passengers get SSSS markings on their boarding passes. Anecdotally, passengers with unusual travel patterns, one-way international flights and travelers to certain countries get it the most. It is also possible that TSA assigns SSSS markings randomly.

MORE DETAILS

TSA doesn't publish specific guidelines on why certain passengers get SSSS markings on their boarding passes. Anecdotally, passengers with unusual travel patterns, one-way international flights and travelers to certain countries get it the most. It is also possible that TSA assigns SSSS markings randomly.

MORE DETAILS

An SSSS code on your boarding pass might happen for a few specific reasons but it can also be the result of a completely random assignment. However, many of the main reasons someone is flagged for an additional screening may be connected to being a suspected security risk.

MORE DETAILS

Any airline passenger with the letters “SSSS” printed on their boarding pass have been selected for extra security screening by airport security. Used by the Transportation Security Administration (TSA), the letters SSSS stand for Secondary Security Screening Selection or Secondary Security Screening Selectee.

MORE DETAILS

As a result, prohibited items may result in both a TSA civil enforcement action and a criminal enforcement action. Before leaving home, remember to check your baggage to ensure you are not carrying any prohibited items to avoid a possible arrest and/or civil penalties.

MORE DETAILS

The swabs are used to check for explosives and/or drugs. Indeed, if you manipulated any such substances in the near past, it's likely that traces can still be found on your hands, and on the things your hands usually touch: bag handles, zippers, pockets, etc.

MORE DETAILS

Airport body scanners that use millimeter-wave technology, like those in the US and Canada, do not reveal what's inside a person's body. Unlike x-ray technology, millimeter-wave technology only checks the contour of the body; therefore, it cannot detect health issues such as tumors or inflammation.

MORE DETAILS

Looking, Acting, or Behaving In a Suspicious Manner Some of the most mundane things that can get you yanked out of your line are: Yawning too much. Coughing and clearing your throat frequently. Looking around in a suspicious manner (darting eyes, focusing on odd spots)

MORE DETAILS

Toothpaste is considered a liquid by the TSA (Transport Security Agency), even though it's technically a paste. In fact, all pastes, gels, waxes, and lotions are also classified as liquids. And even today, these substances are still restricted by the 3-1-1 rule in hand luggage due to safety threats.

MORE DETAILS

Explosives and flammable items, such as fireworks, gas, and aerosols. Poisonous and toxic substances, including pesticides and certain chemicals. Lithium batteries and other hazardous materials, as these can pose a safety risk if not handled properly.

MORE DETAILS

An “A” or “F” mean first-class treatment, while a “B” often means you're more likely to get upgraded than if you have a “Q” or a “Y” on your ticket—the latter two are typically the cheapest economy fares.

MORE DETAILS

Secondary Security Screening Selection — or The Quad S, as some call it — means you have been selected for additional enhanced security screening by the Transportation Security Administration and the Department of Homeland Security.

MORE DETAILS