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Laser pointer can be convenient. Backyard astronomers use them to point out the constellation of the sky's dome; management consultants highlight their wisdom on the whiteboard. They are not welcome by the pilots. On Sunday, Virgin Atlantic's journey from Heathrow to New York was "sixty-seven miles" forced to turn around after a crew member was complained of a "medical problem" after laser exposure to the cockpit.Although this attack rarely transfers aircraft from their path, the laser-related events have become common. According to the Civil Aviation Administration reported that in 2014 the United Kingdom about the aircraft laser report a total of 1440, is the last year of data. In contrast, 746 in 2009. The UK is not only a problem: the British plane has 312 aircraft aimed at overseas in 2014, while in the United States, there were 3894 cases in 2014. In short, the blue laser pen (
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Attacking up with high-power 5000mw lasers pointer (
http://www.kitlaser.com/5w-blue-laser-pointers.html) is getting good price. Less than £ 10 ($ 14), you can now buy a gadget that can range a few miles. You might think that if there is no military grade equipment, it is impossible to pinpoint a cockpit that is so far away. But the laser beam will spread when it spreads. On a standard pointer, at a distance of 1 km, the beam will be half a meter wide when it reaches a plane. And the beam does not have to be locked in place, causing damage. The problem is not directed by the laser directly to the pilot's eyes, but by the beam scattered on the windshield caused. This can lead to a short, dazzling flash, and may lead to an instant "flash blind" (see photo above in the simulator). British Airways Pilots Association (BALPA) said that 55% of the members in the past 12 months suffered a laser attack; more than 4% have more than 6 people. For a long time, the laser has been classified as offensive weapons.
This is too much: the laser pen has many legitimate uses. For all the problems they cause, they have not been accused of the cause of the airline accident. However, action is necessary. Taking into account their scope and the fact that many in the field of construction, it is impractical to divide the airport beyond the laser range. But better security equipment can help. The quality of the glass that can filter out the laser beam is improving (in the past it may interfere with the ability of the pilot to recognize the color). At the same time, Airbus has been testing the film, which can be laminated inside the aircraft windshield without affecting visibility. However, this solution often only solves a light beam of color. This is usually green laser (
http://www.kitlaser.com/green-laser-pointer-pen.html), most commonly used in attacks and the most sensitive attacks on the human eye. These wells will not be difficult to branch to other colors.Then also need more stringent regulation. Limit the power of the pointer is a wise start. Laser is divided into four categories. The two lowest people are unlikely to cause great harm, but it is sufficient for everyday use. It is justified to sell more effective classrooms.
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