Remove Final Approach Remove Ground Effect Remove Indicated Airspeed
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Invisible Trap Kills Glider Pilot – How To Avoid Microbursts

Chess In the Air

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.

Pilot 52
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What NTSB Reports Say About Impossible Turns and Angle of Attack

Air Facts

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).