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Quiz: Understanding Aircraft Performance

Flight Training Central

What is ground effect? What is the headwind component for a landing on Runway 18 if the tower reports the wind as 215° at 30 knots? Ground effect is most likely to result in which problem? 187 knots 162 knots 165 knots Correct! It reduces climb performance. a higher-than-normal angle of attack.

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Coast Guard Clears Ground-Effect Flying Boat For Certification Testing

AV Web

Regent Viceroy The Coast Guard has approved crewed testing of the wing-in-ground-effect Regent Viceroy seaglider and the company is anticipating a speedy trip to certification. The Russians have been dabbling in ground-effect aircraft (or boats) for decades and have made some huge examples.

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Tow Plane Flies Too Slow – Glider Heavy with Water Ballast

Chess In the Air

However, perhaps the safest response for everyone involved would have been the following: Rather than trying to climb with the tow plane, I should have stayed in ground effect while communicating the request for a greater airspeed. Staying in ground effect protects the glider from a stall because of lower induced drag.

Knot 52
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Air Taxi Prototype Crash at Cotswold Airport

Fear of Landing

The prototype lifted off, hovered and flew at a speed of 40 knots before landing. Once stable in ground effect, the pilot shut down EPU1 (left-side outboard) to simulate the performance in the case of an engine failure. The pilot then increased acceleration with a target of seven knots ground speed.

Descent 83
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How to Make a Perfect Soft Field Landing Every Time

Pilot Institute

Hold this extra power as you enter ground effect. Low-wing aircraft perform better in ground effect because of the wing’s proximity to the ground. Once you enter ground effect, too much speed will cause the aircraft to float or balloon. It is the safest and smartest decision.

NOTAMs 52
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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.

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). This is more theoretical than practical for visual AOA, but can affect some proposals such as a general aviation stick shaker. No math required.