The wind side is used for determining the and Groundspeed (GS) . Exercise A: Basic Wind Correction True Course (TC): 080∘080 raised to the composed with power Winds Aloft: 255∘255 raised to the composed with power True Airspeed (TAS): Goal: Find WCA and GS. How to do it better: Rotate the bezel to set the wind direction ( 255∘255 raised to the composed with power ) under the True Index.
10 GPH.
The reverse side of the E6B features a sliding grid and a clear plastic rotating circle. This side solves the wind triangle to find your True Heading (TH) and Groundspeed (GS). True Course (TC): 090° True Airspeed (TAS): 110 knots Wind: From 180° at 20 knots Solution Steps: Set the wind direction (180°) under the True Index.
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Use E6B altitude window:
Disclaimer: Always verify E6B calculations with current avionics and ATC when airborne. This article is for training enhancement purposes.
Despite the ubiquity of EFBs (Electronic Flight Bags) like ForeFlight, the manual E6B flight computer remains a critical tool for pilots. Mastering it isn't just about passing the FAA written exam; it builds an intuitive understanding of wind, time, speed, and fuel management that electronics can mask. Doing means focusing on accuracy, speed, and conceptual understanding rather than just rote memorization .
130 knots.
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Technique: Place 360° under the True Index. Mark wind 20 knots up from the center. Rotate TC 090° to top. Move plastic slider so the wind dot is on the 120-knot TAS arc.
: The circular slide rule is built on the 60:1 ratio (60 minutes in an hour), which is the bedrock of time-distance-fuel logic. Regular exercises solidify this logic, making it easier to perform quick mental math when a digital screen isn't handy.
Take your next planned flight, compute the figures on your phone, and then compute them on your E6B to verify your accuracy.
There is a debate about the (electronic) vs. the ASA Aluminum E6B (manual).