Passenger Screening
reach the airport, using watch lists and
registered traveller programmes will
allow regulators to use the new
technologies on subsets of travellers.
This would require fewer checkpoint
lanes to be upgraded. Once cost
reduction, better integration and
operational enhancements have been
made to these “high security lanes”, the
remaining lanes can then be upgraded.
Sustainable Opportunities:
For manufacturers – and their
investors – to be encouraged to
commit resources, forge strategic
alliances and develop cost effective,
multi-sensor devices, regulators will
need to develop, communicate and
implement a long-range vision and
deployment plan for the checkpoint
that makes economic sense to the
industry.
Summary
Despite a dramatic broadening of the
range of threats we are still using
metal detectors to screen all
passengers. Technology options for
screening people are limited due to
safety and privacy constraints, and
the broad, complex range of threats
SmartCheck from AS&E
and concealment methods means
that multiple technologies are
passenger confusion. As well as 10x as expensive. Hence, there is a
needed, making check-point upgrades
simplifying the process for passengers it need to reduce the number of
much more complicated.
would reduce manpower, which passengers screened by advanced
Further, the relative importance of
otherwise would increase. technology. Passenger segregation
safety and privacy varies around the
techniques, such as by studying
world, making a coherent solution
Privacy: passenger patterns as soon as they
more challenging. However, technol-
This is a bigger concern for some
ogies are available today that can
countries than for others. AS&E and OSI
Rapiscan are testing so-called
“…regulators will
improve passenger screening; the
problem is, they’re not cheap; they’re
“modesty” algorithms on their back-
scatter X-ray systems. However, the
need to develop,
slower, they will impact secondary
search, and will need more space and
challenge is to avoid masking legitimate
threats. Over time, both companies communicate and
manpower.
In the short-term, only segregating
expect some level of automatic
detection and even threat identification.
implement a long-
passengers and limiting the number
that are scanned by new technology is
likely to allow a practical approach for
Radiation Exposure:
range vision and
deploying these new systems. Risk
So far, this has been a larger concern in
assessment approaches such as
Europe than in the US and currently only
deployment plan for Registered Traveller, computer-
affects X-ray systems. This concern
assisted passenger monitoring and
alone may limit the wide-spread use of
backscatter X-ray and almost certainly
the checkpoint that
profiling while not ideal, can help with
this transition by avoiding the burden
will eliminate trans-mission X-ray as an
option in the West.
makes economic
of simultaneously upgrading all
checkpoint lanes. An added
Cost: sense to the
advantage to limited deployment is
the ability to fine-tune on a smaller
WTMDs cost roughly US$3000 –
US$8000. Any advanced solution for
industry…”
operational scale prior to a
widespread rollout.
screening passengers will be at least
trianglert
14
www.asi-mag.com February 2007 Aviationsecurityinternational
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