Biometrics is an innovative technology used for quick authentication. It uses bodily features like facial recognition, fingerprint scanning, iris scanning, voice recognition etc. This helps in strengthening the checking process and identifies irregularities very fast in a huge crowd.

One of the most important applications of its use is in the field of Aviation security. Even though it's a popular technology, using it in the airports is a slow but growing trend for obvious reasons of this technology's integration into airport systems.

Securing Airports

This key piece of technology is used for increasing the convenience of passengers during boarding and de-boarding. The process can be completed in mere 30-seconds which takes a lot of time.
Airport security works in three main phases.

• First line – barriers, walls and similar fortifications
• Second line – documents (id cards and passport)
• Third line – machines (metal detectors, X-ray scanners, CT scanners for bags)

With the second line there comes the technology part wherein the traveler is enrolled in the machine and then checked if he / she is really the person they claim to be.

The largest aspect of this whole idea is the replacement of human eyes with technological models. Ideally, authorities could identify sweats, tension or nervousness of a passenger (due to fear) to suspect.

Here, to counter this Airport Council International (ACI) recommends biometrics installed at airports should be:

a) Secure, reliable, and efficient
b) Certified (ISO and ICAO standards)
c) Fast and scalable
d) Must be able to work in extreme weathers
e) Performance-based
f) Pocket-friendly with high quality

With the introduction of biometrics, the additional layer of security ie data matching is introduced.

Matching Process

The way this process works is that the person's biometrics are scanned and matched to databases. But where do these databases come from? The simple answer is that Aviation security in most countries works with Interpol as well the country's Intelligence. In this way almost all known criminals, terrorists and assailants having a record are immediately captured by the system.

Purpose & facilities

Biometric-use in aviation has two main purposes: passenger facilitation and staff biometric credentials.

Passenger Facilitation

• Border control
• Check-in and boarding
• Less-time consuming
• Safety insured

Staff Biometric Credential

• Access control for airport staffs
• Employee background checks
• Fake employee identification (through attendance management)


With the current trend, one thing that has been widely accepted is that its use in airports is both “Positive” and “Negative”.

Positive because it helps to identify threats quickly, negative because its use could lead to chaos as airport systems need time to fit into new security measures.

Some are even saying that Human intelligence can not be defeated by this machine while some are arguing otherwise. The usual trend however suggests that the technology will be used in majority in almost every other sphere of security.

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