Remove Density Altitude Remove Ground Effect Remove Turbulence
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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). This is more theoretical than practical for visual AOA, but can affect some proposals such as a general aviation stick shaker.

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Invisible Trap Kills Glider Pilot – How To Avoid Microbursts

Chess In the Air

However, at 5:36:23 he still had an altitude of 7025 ft MSL, i.e. a normally very “safe” pattern altitude of almost 1500 ft, and prudently began to head toward the east end of the runway. At this point his ground speed was 81 kts, which – in still air – would reflect a normal pattern speed of approx.

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