By R. D. Shaver, Michael Kennedy
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Additional info for Benefits of Positive Passenger Profiling on Baggage Screening Requirements
29 Expected Delays vs. 5 min hedge 20 Exp Ave Delay, 30 min hedge 10 DFW, 2010 0 10 15 20 25 30 35 40 Number of EDS Machines 30 This is also a repeat of an earlier no-profiling chart (page 25), showing how average delays are similarly reduced at given machine deployments when 50 percent positive passenger profiling is assumed. , half the demand requires half the machines to achieve comparable delays). ” Balancing the Costs of Delay and Machine Acquisition, Installation, and Operations • Conclusions and Observations 31 Heretofore, we have assumed that, with profiling, every passenger who qualifies for positive profiling (and is not randomly selected for inspection) will have his bag suitably marked so that it will not be scanned.
05. As we increase the delay threshold, L, the fraction of bags scanned for any maximum delay is increased. We do not drop bags from the scanning pool when the queuing delays do not warrant it. These curves are sensitive to the level of demand and the machine buy size, so quantitative generalizations would not be appropriate. Qualitatively, it should be clear that delaying profiling until thresholds of five minutes or more has the potential of sharply increasing the total fraction of bags scanned while keeping delays near the level achieved if the profiling strategy were nonresponsive.
1/3 of enplanements are persons changing planes on the same trip). We assume that 70 percent of passengers check bags. 7]. 45 How Much Equipment Is Enough? Minimizing Total Costs Annual Cost of Baggage Screening Program in 2010 ($B) $7 $6 Max Positive Profiling = 50% EDS rel. = 90% Total cost-simple calculation Passenger Criteria: Baggage Makes Plane 99% of Trials $5 Cost of baggage scanning equipment at Airports $4 $3 $2 Cost of excess passenger time at airports $1 $0 2,400 2,600 2,800 3,000 3,200 3,400 3,600 3,800 4,000 4,200 Number of EDS Machines Deployed at US Airports 46 This chart shows, as a function of the total number of machines acquired, (1) the annualized costs of acquiring, installing, operating, and maintaining the EDS equipment; (2) the annual passenger delay costs; and (3) the arithmetic sum of these two costs.
Benefits of Positive Passenger Profiling on Baggage Screening Requirements by R. D. Shaver, Michael Kennedy