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Which risk increases when an aircraft's flight control system executes rapid, large-amplitude adjustments at high altitudes?

A)Aerodynamic stall propagation onset
B)Maximum battery discharge exceeded
C)Rudder effectiveness maximized instantly
D)Turbine blade fatigue attenuated rapidly

💡 Explanation

Aerodynamic stall propagation increases because the rapid control surface deflections alter the wing's angle of attack beyond its critical angle, leading to airflow separation. Therefore, stall risk increases, rather than the rudder effectiveness increasing because induced drag negatively impacts control authority.

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