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← TechnologyWhich 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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