Remove Cockpit Remove Ground Effect Remove Knot
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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. For the unmanned test, the pilot controlled the aircraft from a remote cockpit with a curved screen offering a panoramic view of the instruments. The pilot then increased acceleration with a target of seven knots ground speed.

Descent 81
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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. One more gadget in the cockpit cannot remedy deficits in skill, judgement, and attitude. That phenomenon is best named Failure to Achieve Sustained Flight (FASF). No math required.