Passenger Screening
system. An advantage is the ability to
“…terahertz has both
Improve Secondary Search:
inspect body cavities, but the breadth Adding new technologies to screen all
of materials detected remains limited.
GE has been working on this
radio and optical
passen-gers for a wider variety of
threats will invariably result in a
technology for some time under a U.S.
government grant.
qualities, giving it
greater burden on secondary search. If
this inefficient process is not improved,
either massive delays or more
Fusing Technologies
two possible
secondary search stations (and hence
While developing new devices is more space) will be needed to cope
important, fusing a suitable combin- advantages: better with these extra rejects. Improved
ation of technologies to find the broader communications – including transfer of
range of threats without further
image quality
images and scan results – from
inconveniencing passengers is critical primary search should allow secondary
and is a major challenge. Several
due to the smaller
search personnel to avoid starting
private companies and governments largely from scratch. A selection of
have started the integration process.
The UK government recently established
wavelength and
different systems likely will be needed
depending on why the passenger (or
an off-airport facility aimed at bag) was rejected.
investigating radical revisions to the
the potential
UK’s “search cone”. It is expected to Space:
yield a new passenger checkpoint for for discriminating Currently, new technologies are self-
deployment at UK airports over the next contained, which places a huge burden
few years. A western company called
different materials…”
on space, throughput, passenger
Security Technology Group is working coordination and cost. Once effective
with Domodedovo Airport, Moscow to technologies are identified, they need
trial both advanced passenger and to be integrated into single, compact
baggage screening systems in an enclosures to minimise space and
trianglert
advanced screening concept.
Despite the progress made and the
operational trials, significant challenges
remain to be overcome:
Cooperation:
Individual companies are combining
their technologies into integrated
systems – such as GE’s SRT Kiosk,
which combines biometric identity
verification with trace and QR shoe
scanning. Recent initiatives by Smiths,
GE and L3 to combine technologies
into their own “Checkpoint of the
Future” concepts are a good start, but
they currently include only the
companies’ own equipment. No
single company has a complete
solution at this time; it is important
for different companies to cooperate
or consolidate with each other or
implement common communications
protocols to allow the right
technology mix to be achieved. The
only recent example of such
cooperation occurred the year
following 9/11, when several
companies (including GE, OSI Rapiscan
and Quantum Magnetics) joined forces
to create and have the National Safe
Skies Alliance test their vision of a
suicide bomber checkpoint
incorporating different companies’
technologies.
The ‘Guardian’ portal from Syagen.
Aviationsecurityinternational February 2007 www.asi-mag.com 11
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