Descent Groundspeed True Airspeed 
Flight Training Central
FEBRUARY 10, 2025
The electronic E6B is equally useful when in the airplane, to help determine actual winds aloft, true airspeed, fuel burn, and descent planning. Calculate the planned groundspeed if the winds aloft are forecast to be from 250 at 15 knots flying a true course of 130 with a true airspeed of 112 knots.
Air Facts
MAY 10, 2024
Perhaps just prior to the start of descent could be the optimum time–certainly completed no later than commencement of approach. Particular attention to true airspeed vs. turn radius. Recall that we must remain at or above MDA until we are in a normal position to perform a normal rate of descent to landing.
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