Air Cargo Screening
Figure 5 : Individual boxes are loaded onto the EDS infeed conveyor or onto ETD
examination tables using vacuum-assist devices that permit the almost effortless
lifting and moving of boxes weighing up to 125 lbs
Conclusions provide the means of assessing Notes
The model developed in the study and different ConOps, screening protocols,
air cargo pilot now in operation at SFO and screening modalities that, in the
1
At peak times on peak days, trucks may
indicate that air cargo screening for end, will hopefully provide effective air wait a significant amount of time (>1 hr.)
explosives may be feasible without cargo security. But we can reasonably before they can dock. One goal of the pilot
seriously impacting air cargo expect this to be an evolutionary “spiral is to ensure that the factor limiting
operations. However, it would be development” process. And, while we throughput remains the capability to dock
premature to conclude that such cannot expect perfection in an initial and off-load trucks at peak times, and not
screening is feasible. The SFO air embodiment, we can expect continuous the throughput of the pilot system.
cargo pilot system, as well as other and, given appropriate resources, rapid
systems put in place by S&T, will improvement over the next few years.
2
At present, the measured volume
corresponds to the maximum dimensions
of the load in three dimensions (the
industry standard). Within the next few
months the Mettler/Toledo software will be
modified to measure the actual volume of
the load. Depending on the status of the
load (built-up or break bulk) this measure
may include or exclude the skid.
Fred Roder is an independent security
consultant. Formerly, he was Manager of
the S&T Explosives Countermeasures
Portfolio, US Department of Homeland
Security, and the principal author of the
cited ‘Systems Engineering Study of Civil
Nuctech’s THSCAN cargo screening system
Aviation Security’.
14 December 2007 Aviationsecurityinternational
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