Hopbucan E6B flight computer, used in aviation, training, pilot internships

1. The E6B flight computer is a kind of circular slide rule used in aviation and one of the few analog calculators widely used in the . 3. In the air, the flight computer can be used to calculate the speed above ground, estimated consumption and the updated estimated arrival time. The back is designed for wind vector solutions, so for determining how much the wind affects a person's speed and course. They are commonly referred to by the nickname "Whiz Wheel". 2. These flight computers are used during flight planning (on the ground before take-off) to help calculate consumption, wind correction, flight time and other factors. 4. Manual E6B remain more popular with some users and in some environments than the electronic as they are lighter, smaller, less prone to breakage, easy to use with one hand, faster and do not require electricity. 5. Although digital E6Bs are initially faster to learn, many flight schools still require their students to learn on mechanical E6Bs, and for written exams and checkrides of pilots, pilots are advised to bring their mechanical E6Bs for necessary calculations.