Sachin Walls
Airport scanners are designed to detect objects on or inside a person's body, as well as in their luggage, for security screening purposes. While they do not show naked images of passengers, they can detect both metallic and non-metallic items, including weapons, explosives, and drugs. However, they cannot penetrate some dense and thick metals, such as gold, tungsten, or platinum. While airport scanners are generally considered safe for all passengers, including children and pregnant women, some individuals may still have concerns or refuse to be scanned. In such cases, alternative screening methods or physical searches may be performed, although this could result in a ban from flying.
| Characteristics | Values |
|---|---|
| People who cannot or are unwilling to remove bulky clothing | May be subject to additional screening |
| People who are suspected of swallowing drugs | May be scanned with a full-body X-ray machine |
| People on watchlists | May be identified as high-risk before arrival |
| People with TSA PreCheck | Exempt from removing shoes, laptops, liquids, belts, and light jackets during screening |
| People with items that trigger the scanners | May be subject to additional screening |
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What You'll Learn
Pregnant women
Although there is no evidence that airport scanners are harmful to pregnant women, some women may still feel uncomfortable with the idea of exposing their baby to any radiation, even if it is a very small amount. Millimeter wave scanners emit far less energy than a cell phone, and the machines use non-ionizing radiofrequency waves to detect threats.
The amount of radiation used in airport scanners is extremely low, and the machines are carefully designed to keep radiation inside the machine and protect both operators and passengers. The machines use backscatter technology to see detailed images under clothing, which helps to detect both metallic and non-metallic items. This prevents passengers from carrying weapons or explosives on planes and ensures flight safety.
Some pregnant women may still prefer to opt for a pat-down instead of going through the scanner. This option is available, and women can request it if they prefer. However, it is worth noting that metal detectors also use radiation to scan travelers, and in some cases, they may emit more radiation than full-body scanners.
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Babies and children
Firstly, strollers and car seats will need to be screened separately from the child. You will need to remove the infant from the stroller and carry them through the walk-through metal detector. TSA officers will then give you directions regarding the stroller, but typically, you will leave it to be scanned. If you have a large stroller, TSA officers will bring it through the X-ray scanner and then manually screen it.
Secondly, you must inform the TSA officer if your child has a disability, medical condition, or medical device. If your child cannot walk through the metal detector, you may carry them through, but you must inform the officer beforehand.
Thirdly, if you are travelling with formula, breast milk, toddler drinks, or baby/toddler food in excess of 3.4 ounces, you must declare this to a TSA officer before your bag is screened. These items will be screened separately, and officers may test the liquids for explosives or prohibited items. It is helpful to have these liquids in clear, translucent bottles, as plastic bags or pouches may require alternate screening methods. TSA X-ray machines are not harmful to food or medicines.
Finally, while not directly related to airport scanners, it is worth noting that children 12 and under do not need their own Trusted Traveler Number and can pass through TSA PreCheck with their parents or guardians.
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People with disabilities
Individuals with medical conditions or disabilities who require certain equipment or medications must prepare these items for screening. Ice packs, freezer packs, gel packs, and medically necessary liquids and accessories must be screened before entering the secure area of the airport. TSA officers may test liquids, gels, or aerosols for explosives or prohibited items. If screening technology cannot be used, individuals may be asked to open the containers for Vapor Analysis. It is important to inform the TSA officer if you do not want your liquid medication screened by X-ray or opened.
For those with an ostomy pouch, medical ports, or a catheter, it is essential to inform the TSA officer before screening. You do not need to remove or expose these devices during the screening. If additional screening is required, you may be asked to perform a self-pat down of the device outside your clothing, followed by a test for explosive traces on your hands. Similarly, individuals with prostheses, casts, support braces, slings, or support appliances should inform the TSA officer before screening. You may voluntarily remove and submit these items for X-ray screening or keep them on and undergo alternative screening methods.
Additionally, individuals with disabilities should be aware that airport security scanners use different types of technology, including metal detectors, backscatter X-ray machines, millimeter wave scanners, and cabinet X-ray systems. These scanners utilize ionizing radiation and non-ionizing radiation to detect prohibited items and ensure safety. While these scanners emit low levels of radiation, safety measures are in place to protect both workers and travelers from exposure to harmful levels of radiation.
It is important to note that individuals with disabilities may request assistance from a supervisor or Passenger Support Specialist (PSS) at the checkpoint. TSA Cares is also available for pre-arrangement and coordination between the individual and the local TSA airport.
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Those refusing a scan
While airport scanners are an essential tool to ensure aviation safety, some passengers may refuse to be scanned. If a passenger declines to go through a full-body scanner, they will be subjected to a thorough pat-down search by a TSA agent. This search will be conducted in a private room and will include a thorough inspection of the individual's belongings.
It is important to note that refusing a scan does not exempt an individual from the security screening process. All passengers and their belongings must be screened before boarding an aircraft, as this is a mandatory safety measure. By refusing the initial scan, passengers may be subjected to additional screening methods, which may include further physical searches and questioning.
The decision to refuse a scan may be due to various reasons, such as medical conditions, religious beliefs, or personal preferences. For example, individuals with pacemakers or other medical devices may be concerned about the potential interference or effects of the scanning technology. Similarly, individuals with religious or cultural beliefs that require modest dress may be uncomfortable with the idea of a full-body scan.
In such cases, it is crucial for passengers to communicate their concerns to the TSA officers beforehand. Informing the officers about any medical devices or special clothing accommodations can help facilitate a smoother screening process. Additionally, passengers can request alternative screening methods, such as a private pat-down search or the use of different scanning technology, if available.
It is important to remember that the TSA is committed to ensuring the safety and comfort of all passengers while maintaining the highest security standards. By providing clear communication and understanding the procedures, passengers can effectively navigate the security screening process, even when refusing an initial scan.
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People with privacy concerns
Some people may have privacy concerns about going through airport scanners. While these concerns are valid, there are several measures in place to protect travellers' privacy. Firstly, it is important to understand that airport scanners use non-ionizing radiation, which is different from the ionizing radiation used in medical X-rays. Non-ionizing radiation is present in everyday life, and according to the CDC, we are exposed to it daily at low levels. Millimeter-wave machines, for example, emit far less energy than a cell phone.
Airport scanners are designed to detect threats and ensure aviation safety. They can identify metallic and non-metallic items, such as weapons, explosives, and drugs. Scanners can also detect organic materials and money. While they may not always clearly identify specific objects, customs officers use their expertise to interpret the images and ensure safe operations.
To address privacy concerns, airport authorities have implemented safeguards. For example, older machines that used backscatter technology now have privacy protections in place. Additionally, the officer at the checkpoint is typically not the same person who views the scan results. TSA PreCheck® also offers expedited screening, where travellers do not need to remove certain items, reducing potential privacy concerns.
Travellers who are uncomfortable with full-body scans can inform the officer, and additional screening methods may be used instead. It is important to follow airline regulations and report any suspicious activities to enhance security. While airport scanners play a crucial role in aviation safety, travellers' privacy is also a priority, and measures are in place to balance these two important factors.
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Frequently asked questions
Infants and young children under 140 cm are exempt from body scans. People with medical or physical conditions that prevent them from undergoing a body scan will be offered alternative screening methods.
If you refuse to use an airport scanner, you will be asked for consent for a body search. If you do not consent to this, you will not be allowed to board your flight. You may also be put on a security watchlist.
Airport scanners are used to detect objects on or inside a person's body for security screening purposes, without physically removing clothes or making physical contact. They can detect metallic and non-metallic objects, as well as organic materials.
Airport scanners use X-ray radiation to inspect luggage and create images of its contents. The amount of radiation used is extremely low and does not pose any health risks.
Airport scanners cannot directly detect drugs hidden inside luggage. However, security personnel can spot large amounts of organic substances and will manually inspect luggage if they suspect the presence of drugs.
