Remove Indicated Airspeed Remove True Airspeed Remove Turbulence
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Exploring the Intricacies of the Airspeed Indicator

Pilot's Life Blog

Static vents that measure static pressures are usually on the lower side of the plane, where the air stream isn’t as turbulent. True Airspeed vs Indicated Airspeed VS Equivalent Airspeed Since airspeed indicators use air pressure to measure speed, the indicated airspeed can be less than the actual airspeed at higher altitudes.

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Invisible Trap Kills Glider Pilot – How To Avoid Microbursts

Chess In the Air

Without knowing the horizontal wind direction and speed at this point it is impossible to say what his indicated airspeed was. At the high density altitude at Rifle a ground speed of 92 kt would have been equivalent to an indicated airspeed of less than 80 kt.

Pilot 52