As an alternate to tna another method called vapour

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As an alternate to TNA another method called “Vapour Detection” is also being used for detection of plastic explosives. This machine works on the principles of sensing of minute amount of vapour emitted by explosives. The device uses gas chromatography or chemiluminescence techniques for this purpose. The machine is comparatively slower that TNA requiring about 30 seconds per Activity Conduct a research on the use of computer tomography in airports. (c) UPES, Not for Reproduction/ Sale
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Notes ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ Aviation Safety & Security Management passenger and has slightly less effective performance. However the cost of a vapour detector is much less ($80,000) than TNA and thus it can be effectively used as a back up to TNA machine. For examination of bulky cargo the commercial models using mass- spectrography are used which is a variation on the vapour analysis theme. Another effective process is called “Enhanced X-ray system (also known as “Smart X-ray system”). In this process X-ray machines linked with computers are used. They are programmed to highlight suspicious objects by evaluating parameters such as mass contiguity and atomic weight. Thus the true and intricate features of different objects carried by air-passengers can be determined. As a matter of fact the enhanced X-ray system is part of “Explosives Detection System (EDS), which consists of enhanced X-ray nuclear technology and electromagnetic measurements for detection of explosives hidden inside the baggage. All of these approaches attempt to take a fundamental property of explosives to differentiate it from the normal passenger baggage. The latest topic in bulk explosives detection technology is called as “computer tomography”. This system was first developed in the medical science as CAT-scanning. Later it was modified to cater for security needs. Tomographic images are obtained by acquiring multiple views (or slices) of an object. A powerful computer is used to reconstruct the slices and display the relative densities of the individual object within each slice. The information allows the equipment to automatically locate and highlight the suspicious object regardless of their shape and environment. In contrast traditional X-ray images are required to be interpreted manually by the security officials. This is a difficult job as the images are superimposed, overlapped and cluttered. A number of airports in Europe and in the Middle East have started using “computer tomography” for example Brussels airport, London (Gatwick), Manchester airport, etc. Improvements in Airport Security With introduction of strengthened efforts and advanced techniques in the field of Civil Aviation Security, the security situation at various airports has improved at tremendous pace. Thus even now though, hijacking continues to occur but with a reduced pace and (c) UPES, Not for Reproduction/ Sale
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UNIT 9: Civil Aviation Society Notes ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ ___________________ intensity. It is also felt that through the security and punishment measures that had been instituted in most of the countries it has
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  • Fall '19
  • Instrument approach, Runway, Rajiv, Aviation Safety & Security Management

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