Which lift generation failure occurs when a swift's high-speed, low-altitude flight encounters significant thermal updraft shear?

💡 Explanation

When a swift encounters strong updraft shear, asymmetric stall occurs due to differential lift and induced wing torsion exceeding the critical angle of attack on one wing because aerodynamic forces destabilize flight. Therefore, asymmetric stall results rather than flutter, feather shedding, or barotrauma, each requiring separate distinct mechanistic triggers.

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