Remove Ground Effect Remove Knot Remove Turbulence
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Wingtip Vortices and Wake Turbulence

Pilot Institute

By far the strongest component of wake turbulence is the swirling air generated at the tips of the aircrafts wings. Key Takeaways Wingtip vortices, not engine exhaust, create the strongest wake turbulence. Wake turbulence can cause severe roll and structural damage to smaller aircraft. How Are Wingtip Vortices Formed?

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How to Master Slow Flight (Step-By-Step)

Pilot Institute

Higher altitudes are also less prone to turbulence and have fewer birds. The stall warning horn sounds at least 5 knots above the actual stall speed. Since you need to fly without triggering the warning, select a target airspeed of about 2 to 5 knots more. Turbulent air will require a larger airspeed margin.

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Invisible Trap Kills Glider Pilot – How To Avoid Microbursts

Chess In the Air

This is consistent with Rick’s report, which referenced 9 knots of wind. Note that a 43 knot gust from a direction of 190 degrees was measured at 17:39, one minute after the accident (provided that the time stamp is accurate). The ADSB trace shows Shmulik’s ground speed of 92 kt as he began his final turn.

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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. No math required.