Tagged: aviation, e6b, flight computer, flight training, flight training words printed in the 50 page instruction manual that came with my E6B. The E6B flight computer, nicknamed the “whiz wheel” or “prayer wheel”, is a form of circular Manual E6Bs/CRP-1s remain popular with some users and in some environments rather than the electronic ones because they are lighter, smaller. ASA-E6B-CIRC . Your ASA E6-B Circular Flight Computer has two main parts: a circular slide . Your Approved Flight Manual lists fuel capacity in U.S. gallons.

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You can mark on it with a pencil and it will erase right off.

Align the grid so the center grommet is over one of the heavy lines. Align the wind direction under the “True Index” mark by rotating the azimuth plate.

As a flight student, you will need to use your E6B to perform a couple of different calculations. Can i calculate unknown wind direction and speed with the e6b if i have, oat, pressure altitude, Tas and heading? At kts ground speed, how long will it take you to travel between two checkpoints that are 18nm apart? Consider that a direct headwind will simply slow us down, and a direct tailwind will speed us up. They are usually made out of cardboard and plastic, or aluminum and plastic, with lettering and markings either printed or engraved into the metal.


Find the wind correction angle by counting the units between the pencil mark and the centerline. This is not beneficial when computing while flying.

The ease of use of electronic calculators means typical flight training literature [1] does not cover the use of tutorual or computers at all. This will tell you which scale and which pointer you will need to use.

If you suspect it will take hours between legs, the method is the same except: I recommend using the manual E6B to calculate and then using an electronic version or computer flight planner to double check your work. Read the groundspeed corrected for wind at the center-line. One side is in nautical miles and the other side is in statute miles. In the center of the rotating portion are three “holes” windows used to compute corrected true altitude, density altitude, and true airspeed.

In this example, this will mean that the mark will be left of the center-line. C to F conversion is a lifesaver for PAs.

E6B Flight Computer Instructions – Gleim Aviation

Fuel works a lot like those time-speed-distance problems in that knowing two values gives you a third. If you fast forward five hours from the time I first read that quote you get this: The advantages of this method are You convert only one true direction to magnetic, not two.


The wheel on the back of the calculator is used for calculating the effects of wind on cruise flight. I decided to show how to multiply and divide on the E6B first.

For secondsuse the Second pointer and Scale B. How fast are we going? The outer scale is used to represent distance, fuel, ground speed, true airspeed, or corrected true altitude, depending on the calculation being performed.

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In this example you will get about 6 degrees. Not Helpful 0 Helpful 0. I still keep one in my flight bag, even with the airlines. Is going to take hours, minutes, or seconds to get between these two points? Thus you may use it for textbook exercises, but when flying, think magnetic.

On the backside of the E6B, you will notice a rotating dial and a metal slider. On the positive side, It means any compiter on the scale can represent any order of magnitude of that number.

How To Use A Manual E6B Flight Computer

But notice the center of the circle is clear. Even Amelia Earhart ‘s navigator Fred Noonan used one on their last flight.

Notice that our pencil mark has moved around some.