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Which outcome occurs when an aircraft's airspeed drops below Vmc during a single-engine landing?

A)Adverse yaw causes uncontrollable roll
B)Rudder authority prevents straight flight
C)Engine torque induces a stall
D)Center of pressure shifts rearward

💡 Explanation

If airspeed drops near Vmc in a single-engine aircraft, asymmetric thrust causes a strong yaw because the *moment of inertia* amplifies roll, therefore, the aeroplane uncontrollably rotates rather than stabilizes; the pilot struggles to correct using rudder alone, in a dangerous situation.

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