原文传递 Aviation Security: TSA's Staffing Allocation Model Is Useful for Allocating Staff among Airports, but Its Assumptions Should Be Systematically Reassessed.
题名: Aviation Security: TSA's Staffing Allocation Model Is Useful for Allocating Staff among Airports, but Its Assumptions Should Be Systematically Reassessed.
关键词: airline personnel, passenger screening, baggage screening, security officers, levels, monitoring
摘要: TSA aims to ensure that its Staffing Allocation Model provides a sufficient number of TSOs to perform passenger and checked baggage screening by: (1) building assumptions into its allocation model that are designed to calculate the necessary levels of TSOs to ensure security and minimize wait times, and (2) employing multiple monitoring mechanisms for the sufficiency of the model's outputs. However, TSA faces some challenges to effective implementation of the model, primarily in ensuring that the model's key assumptions reflect operating conditions across airports. The model determines the annual TSO allocation for each airport by first considering the workload demands unique to each airport based on an estimate of each airport's peak passenger volume. This input is then processed against certain TSA assumptions about screening passengers and checked baggage--including expected processing rates, required staffing for passenger lanes and baggage equipment based on standard operating procedures, and historical equipment alarm rates. To monitor the sufficiency of the model's allocation outputs, TSA has both field and headquarters-driven mechanisms in place. However, TSA does not have a mechanism, such as a documented plan, for selecting and prioritizing which assumptions to review each year and for assuring that all assumptions are periodically reviewed to help ensure that they are current with and reflect actual operating conditions. Without a plan for periodically validating all of the assumptions, TSA is at risk of assumptions becoming outdated, which could result in TSO allocations that do not reflect operating conditions. / Availability Note: Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA.
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