E6B – Front Side
The front side of an E6B is a calculator. In fact, if can be used to do simple math. However, for flying it is usually used for a handful of specific calculations including flight time and fuel burn. The E-6B is often an intimidating part of cross country flying, but it just requires practice. Use the questions below to practice using the E-6B and do more on your own until you feel comfortable using the front of the E-6B.
Lesson Notes
The front side of the E6-B is essentially a calculator. We use it to estimate fuel burn and time between checkpoints.
Practice Questions
At 120 knots, how long will it take to travel 150nm?
1 hour, 15 minutes (75 minutes)
At 1200 knots, how long will it take to travel 1500nm?
1 hour, 15 minutes (75 minutes)
How much fuel is burned in 37 minutes at a fuel burn of 13 gallons per hour?
7.9 gallons
How much fuel is burned in 2 hours and 15 minutes at a burn rate of 5.5 gallons per hour?
12.4 gallons
At 117 knots, how long will it take to travel 93 nm?
48 minutes
At 95 knots, how long will it take to travel 78nm?
1 hour 13 minutes (73 minutes)
At 146 knots, how long will it take to travel 285nm? How much fuel will be burned at a fuel burn rate of 19 gallons per hour?
1 hour, 57 minutes (117 minutes) and 37 gallons