Final Approach Ground Effect Indicated Airspeed 
Air Facts
SEPTEMBER 9, 2024
An incomplete summary description of FASF is whether the airplane made it out of ground effect. That phenomenon is best named Failure to Achieve Sustained Flight (FASF).
Chess In the Air
JUNE 24, 2022
His ground speed had dropped to 75 kt so he also had less kinetic energy reserve. Without knowing the horizontal wind direction and speed at this point it is impossible to say what his indicated airspeed was. The ADSB trace shows Shmulik’s ground speed of 92 kt as he began his final turn.
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