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Master the Giant E6B: How to Calculate Time, Speed, Fuel, and Wind Correction

Flying safely requires more than just knowing the theory; it’s about mastering the tools that make accurate flight planning possible.

Understanding the Two Sides of E6B

The E6B has two main sides: the calculator side and the wind side. The calculator side helps you determine time, distance, and fuel consumption, while the wind side calculates ground speed and wind correction angle. Learning to use both effectively ensures you can handle flight planning manually, even when electronics fail. 

Step-by-Step E6B Calculations

  1. Mark Wind Direction: Start by aligning the wind direction under the true index.
  2. Set Wind Velocity: Mark the wind speed from the center point, using the scale provided. 
  3. Set True Course: Align your planned course under the true index.
  4. Slide Wind Velocity to True Airspeed: This calculates ground speed.
  5. Read Ground Speed: Check the center window for your calculated ground speed.
  6. Calculate Time and Fuel Burn: Use the calculator side to determine time en route and fuel consumption based on your speed and distance.

By following these steps, pilots can accurately determine how long a flight will take, how much fuel is needed and the proper course to maintain. 

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