Assessment of Technologies Deployed to Improve Aviation Security First Report (1999) / Chapter Skim
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5 Blast-Resistant Containers
5 Blast-Resistant Containers
Pages 28-35
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From page 28... ...
had limited knowledge of the characteristics of internal bomb blasts and the related vulnerabilities of commercial aircraft. All that was known was that blast forces exceeded the design loads of the aircraft, which were never designed to survive a bombing attack.
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From page 29... ...
However, for this idea to be feasible, HULDs would require similar cost, weight, and operational capabilities as standard ULDs. Design Guiclelines and Procurement Following Pan Am 103, the British Air Accident Investigations Branch recommended that "airworthiness authorities and aircraft manufacturers undertake a systematic study with a view to identify measures that might mitigate the effects of explosive devices" (British Air Accident Investigation Branch, 1990~.
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The FAA Transport Airplane Directorate Certification Office documented the certification on July 29,1998 (FAA, 1998~. A second Galaxy Scientific design passed the FAA blast test required for certification in January 1999.
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From page 31... ...
If a single HULD is used per flight or for selected flights, the contents of the HULD would have to be carefully selected. Contents could include the following items: · selectees' bags from CAPS · selected bags from cleared EDS alarms · unaccompanied luggage · mail and other cargo The FAA reports that an initial deployment plan will be developed after the initial purchase of several Galaxy HULD units and a test deployment with an airline (Hacker, 1998b)
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From page 32... ...
32 ASSESSMENT OF TECHNOLOGIES DEPLOYED TO IMPROVE AVIATION SECURITY FIGURE 5-2 Galaxy HULD in test position prior to blast test. FIGURE 5-3 Galaxy HULD after blast test.
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From page 33... ...
that passed the blast certification test in January 1999. TABLE 5-3 Panel's Estimated Costs for the Procurement and Operation of 12,500 HULDs Annual Recurrent Costs Nonrecurrent Costs Notes Acquisition costs o Operation, maintenance, and TED support $125 million o Increased aircraft fuel $6 million 0 consumption due to increased weight Lost revenue due to increase in operating empty weight Lost volume One HULD per airplane (roughly one of every 20 ULDs would be replaced by a HULD)
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The FAA should go forward with the planned operational testing of hardened unit load devices. HULD Design The FAA's approach to HULD design has been focused primarily on three areas: airworthiness, ground handling, and blast resistance.
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From page 35... ...
Selectee bags that varied by destination and/or class of service would require either multiple hardened containers or changing the baggage-handling and sorting process. The hardened containers tested to date exceed the acceptable weight criteria specified by the airlines through ATA (Rork, 1994~.
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