Aviation Policies And Regulations

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AVIATION POLICIES AND REGULATIONS

Aviation Policies and Regulations

Aviation Policies and Regulations

With the beginning of this paper, we shall primarily discuss the accounts of “Freedoms of the Air” and “Open Skies Agreement”. “Freedoms of the Air” has been nailed and patented with the sole purpose and aim to highlight a particular set of commercial aviation rights, granting a country's airline privileges to enter and land in another country's airspace.

NDT Aviation Composite Technology Development Prospects

In order to improve the ability of quantitative detection, the United States, Britain and other developed countries have started to develop and research a variety of imaging techniques, signal processing techniques and new methods of calculation of defects. To ultrasonic testing, for example, the United Kingdom Ultrasonic Scientific Ltd. (USL) for the BAE Systems offers 17-axis automated ultrasonic C scan detection systems to 0.5m / s scanning speed, the detection of a composite material of about 4mm × 4mm of manufacturing defects, and has a resolution of up to 2μm, the highest repeatability can reach 5μm, defects can accurately mark the location and improve the ability of the quantitative detection of defects and the accuracy of quantitative analysis (Luna, 2007).

Domestic research institutions in the quantitative analysis, it also made some achievements. Beijing Aeronautical Manufacturing Technology Research Institute automated detection techniques using ultrasound, the typical impact damage RTM composite structure was tested by way of visual images, reproduced by detecting internal defects in composite structures and the detailed distribution of the quality of the whole structure of the internal situation then quantified by the distribution of defects, capable of quantitative evaluation of defects (Pavia, 2007).

Improvising the level of automation equipment

Automated detection technology than the manual operation to provide better repeatability and consistency of the results, can reduce the random error and the probability of human error, reduce the level of skilled personnel to operate the testing requirements, but also complex and comprehensive detection. Higher efficiency and adaptability as automated ultrasonic scanning system, McDonnell Aircraft Company AUSS detection system that can scan a part of the same part of the data before drawing a diagram, and the operator can assess the data in the video terminal in some detail, thus greatly improving efficiency. Detection of F-15 aircraft horizontal stabilizer torque box skin - honeycomb core parts from the manual testing required to work 72 hours to less than 2 hours. European Airbus company has 128 channels automatic scanning technology for large-scale ultrasound (Pavia, 2007).

Rapid Composite Panels non-destructive testing, and thus significantly improve the detection efficiency. USL Ultrasonic C Scan the company's automated detection system equipped with a high-speed, complex surface tracking system with high automation, high strength, high mechanical precision and other characteristics, the maximum scan rate of up to 1m / s, can be achieved on the air fast and efficient composite components detection. UltraPAC company's ultrasonic C scan imaging system equipped with a motor driven by a high-performance multi-axis numerical control, multi-degree of freedom, high-speed (up to 0.5m / s), precision (positioning accuracy up to ...
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