![]() ![]() Manual E6Bs/CRP-1s remain popular with some users and in some environments rather than the electronic ones because they are lighter, smaller, less prone to break, easy to use one-handed, quicker and do not require electrical power. Aviation remains one of the few places that the slide rule is still in widespread use. ![]() Extra marks and windows facilitate calculations specifically needed in aviation.Įlectronic versions are also produced, resembling calculators, rather than manual slide rules. One side is used for wind triangle calculations using a rotating scale and a sliding panel. Construction įlight computers are usually made out of aluminum, plastic or cardboard, or combinations of these materials. They are frequently referred to by the nickname "whiz wheel". The back is designed for wind vector solutions, i.e., determining how much the wind is affecting one's speed and course. In the air, the flight computer can be used to calculate ground speed, estimated fuel burn and updated estimated time of arrival. These flight computers are used during flight planning (on the ground before takeoff) to aid in calculating fuel burn, wind correction, time en route, and other items. They are mostly used in flight training, because these flight computers have been replaced with electronic planning tools or software and websites that make these calculations for the pilots. ![]() An E6B flight computer commonly used by student pilots. ![]()
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