Jazmin Li
Airport security has become increasingly important since the 1970s, when hijackings and bombings became a more common threat to airlines and passengers. The 9/11 attacks were a turning point, after which airport security measures were heightened. Today, aviation security is a combination of human and material resources, aiming to protect civil aviation against terrorism, unlawful interference, and other threats. This includes screening passengers and their luggage for dangerous items and implementing procedures to mitigate evolving dangers. The process can be stressful and time-consuming, but programs like TSA PreCheck and CLEAR expedite the security process. This introduction will discuss the role of airport security in addressing threats and ensuring the safety of passengers, staff, and aircraft.
| Characteristics | Values |
|---|---|
| Searches | Carried out on all passengers and baggage before boarding the aircraft |
| Disabled passengers and their mobility aids are also searched | |
| Passengers wearing headgear for religious or cultural reasons can request a handheld scanner | |
| Passengers with an implantable cardioverter-defibrillator (ICD) can request a hand search | |
| Scanning devices and metal detectors are safe to use for passengers with ICDs | |
| Passengers can request a private search instead of a body scan | |
| Passengers can request a security officer of the same sex to analyse the scan | |
| Passengers can request a hand search of hearing aids | |
| Passengers can bring liquids exceeding 100ml that are medically necessary, with a doctor's note | |
| Passengers must provide proof of identity during check-in | |
| Passengers must remove shoes, jackets, and belts before passing through security | |
| Passengers must remove laptops from their bags before passing through security |
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What You'll Learn
Screening passengers and luggage
Screening passengers and their luggage is a crucial aspect of airport security, ensuring the safety of travellers, staff, and property. Here's an overview of the process:
Passenger Screening:
Passenger screening involves passing through metal detectors or advanced body scanners, such as millimeter wave scanners, which can detect hidden items without revealing the passenger's body. Passengers may also undergo pat-down searches, especially if they have activated a metal detector or are randomly selected. These searches can be performed privately by a same-sex security officer and are conducted respectfully, accommodating sensitive issues. Additionally, passengers with religious or cultural headgear can request handheld scanners to avoid removing their head coverings.
Luggage Screening:
Luggage screening typically involves X-ray machines that scan checked baggage and carry-on items for prohibited items, explosives, and other dangerous objects. TSA, for instance, screens approximately 3.3 million carry-on bags daily. Luggage screening may also involve the use of sniffer dogs to detect prohibited substances. Passengers with special medical equipment, such as implantable cardioverter-defibrillators (ICDs), have specific instructions to follow, including carrying relevant identification and documentation.
Liquid Restrictions:
Liquid restrictions are a significant aspect of luggage screening. Most airports restrict liquids in carry-on luggage to containers holding no more than 100 ml, which must be placed in a transparent quart-size plastic bag. This restriction does not apply to baby formula, prescription medications, or certain medical liquids, but these must be declared at security. Passengers should check with their airlines and destination countries for specific restrictions on liquids and medications.
Checked Baggage Handling:
Checked baggage is usually dropped off at designated counters, where staff attach luggage tags with barcodes. These barcodes are scanned by special machines as bags move through the airport on conveyor belts. Baggage handlers then transfer the bags to the plane, ensuring efficient space utilisation and weight balance. Locks on checked baggage may be cut for inspection, but some commercially available locks can be opened by TSA officers without damage.
Risk Assessment and Passenger Prescreening:
Passenger prescreening programs, such as Secure Flight, identify low and high-risk passengers before they arrive at the airport by matching their names against trusted traveler lists and watchlists. This information is transmitted to airlines, influencing the level of screening required for each passenger. TSA also employs unpredictable security measures, ensuring that no individual is guaranteed expedited screening.
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Detecting threats
Passengers are advised to familiarise themselves with the rules and restrictions on what they can take on board, as these vary from time to time. Certain items can cause issues at security, and passengers should be aware of what is and isn't allowed before arriving at the airport. This includes restrictions on liquids, medicines, and electrical items. For example, cosmetics and toiletries must be in containers of 100ml or less, and all liquids must be under 100ml. Passengers carrying medicines over 100ml will need a doctor's note or prescription.
Passengers must also provide proof of identity during check-in, usually in the form of a passport or government-issued photo ID. The name, date of birth, and gender on the ID must match those on the passenger's reservation. If a passenger has different names or genders on different documents, they can choose which one to use as long as it satisfies the airline's ID requirements. It is important to note that passengers may be randomly selected for a scan or if they activate a metal detector. They can request a private search instead of a body scan, which will be conducted by a security officer of the same gender.
To facilitate the security process, passengers are advised to remove excess clothing, including outerwear such as shoes, jackets, and belts, before reaching the security line. Additionally, laptops and other electronic devices should be removed from bags and placed on the conveyor belt for scanning. It is recommended to keep the security area clear and compose oneself in the designated seating area after passing through security.
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Preventing hijacking and terrorism
Airports are busy places, with large numbers of people passing through them every day. This presents a potential target for terrorism and other forms of crime. The high concentration of people on large airliners increases the potential death rate in attacks on aircraft. The ability to use a hijacked plane as a lethal weapon may also provide an alluring target for terrorism, as seen in the September 11 attacks.
Airport security attempts to prevent any threats or potentially dangerous situations from arising or entering the country. Security measures are in place to maintain the safety of passengers, crew, and staff. These measures include searches of passengers and their baggage before boarding the aircraft. Some countries have a dedicated agency that protects their airports, such as the Australian Federal Police. In other countries, protection is controlled at the state or local level and may involve a dedicated police force, a branch of the local police department, or a country's airport protection service, such as the US TSA.
To prevent hijacking and terrorism, airport security staff employ various measures, including:
- Screening passengers and their baggage for weapons and other prohibited items, such as liquids over a certain volume.
- Using metal detectors and advanced body scanners to detect any prohibited items or weapons.
- Conducting random scans or searches of passengers, including those wearing headgear for religious or cultural reasons, using handheld scanners if needed.
- Implementing unpredictable security measures to address both external and internal threats, as a reactive approach to evolving terrorist tactics.
- Deploying police dog services for explosive and drug detection.
- Increasing staffing and screening passengers fitting a behavioural profile, as seen with the increase in sky marshal staffing after the first hijacking fatality in 1970.
- Enhancing security measures after major incidents, such as India's increased airport security after the 1999 Kandahar hijacking.
These measures aim to prevent any dangerous situations, illegal items, or threats from entering aircraft, countries, or airports, thus reducing the chances of successful hijacking or terrorist attacks.
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Expediting security checks
To expedite security checks at the airport, it is important to be prepared and to familiarise yourself with the rules. Here are some tips to help speed up the security process:
Before You Arrive at the Airport
- Check your airline's website for specific check-in and baggage requirements. Some airlines require online check-in, and you may be charged a fee for printing your boarding pass at the airport.
- Monitor the status of your flight leading up to your departure. This is especially important during winter or when bad weather is predicted.
- Pack your documents and keep them accessible. You will need proof of identification, such as a passport or government-issued ID, and your boarding pass.
- Be aware of any restrictions on liquids, cosmetics, and toiletries. These items must typically be in containers of 100ml or less. For medications, ensure you have a doctor's note or prescription if you need to carry more than 100ml.
- If you require special assistance, pre-book at least 72 hours in advance.
At the Airport
- Use self-service check-in kiosks or online check-in options to save time and avoid lines.
- Remove excess clothing, outerwear, and accessories such as belts and shoes before reaching the security line.
- Take out your laptop from your bag and place it on the conveyor belt for scanning. Keep smaller electronic devices in your bag.
- Follow instructions from security staff and remain cooperative. They are trained to handle sensitive issues respectfully and to ensure your privacy.
By following these guidelines and staying informed about the latest security advice, you can help expedite the security checks and make your journey through the airport more efficient and enjoyable.
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Maintaining hygiene
One of the main challenges to hygiene at airport security is the plastic security screening trays used to ferry carry-on baggage and other small items through X-ray machines. These trays have been found to harbour traces of viruses, including Rhinovirus (the common cold) and Influenza A. Bacteria thrive on hard, non-porous surfaces, making these trays an ideal environment for microbes to survive and spread to passengers. To address this issue, airports can provide hand sanitising stations at the entrance, in the queue, or before the X-ray machines. Clear and well-translated signage encouraging passengers to use these stations can also help prevent the spread of pathogens.
Another way to maintain hygiene at airport security is to ensure regular and proper waste disposal. This is especially important for feminine hygiene waste, which requires sensitive and environmentally friendly disposal methods. By using trained customer delivery representatives and regularly servicing waste units, airports can maintain a high level of hygiene in washrooms.
Additionally, airports can implement comprehensive Safety Management Systems (SMS) to proactively manage and mitigate operational risks, including hygiene-related issues. These systems help identify potential hazards and implement corrective measures effectively, ensuring high standards of safety and operational integrity.
Overall, by providing hand sanitising stations, encouraging good hygiene practices, ensuring proper waste disposal, and proactively managing risks, airports can maintain high levels of hygiene at security areas and enhance the safety of passengers, crew, and staff.
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Frequently asked questions
Airport security includes the techniques and methods used to protect passengers, staff, aircraft, and airport property from malicious harm, crime, terrorism, and other threats.
The TSA is a US government agency created in 2001 to improve and enhance airport security. Its main responsibility is to ensure the security of the nation's transportation systems, with a focus on air travel. The TSA is part of the Department of Homeland Security and works closely with other agencies, such as the Federal Aviation Administration (FAA).
The security screening process at the airport involves checking passengers and their personal items for dangerous items such as weapons, chemicals, and liquids that are not allowed as carry-on items. This is done using various types of screening equipment, including metal detectors, millimeter wave machines, backscatter X-ray machines, and cabinet X-ray machines.
Here are some tips to make the airport security process easier:
- Enroll in programs like TSA PreCheck or CLEAR to expedite the security process.
- Arrive at the airport early, especially during peak travel times.
- Pack your carry-on bag and personal items according to the guidelines, including placing liquids in a clear, quart-sized bag and separating laptops and other electronics for screening.
- Use TSA-approved locks on your checked luggage to avoid damage and facilitate security checks.
