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← TechnologyDuring final approach, which consequence results when differential spoiler deployment induces roll?
A)Increased control surface aerodynamic stall
B)Adverse yaw is significantly counteracted✓
C)Reduced induced drag at wingtips
D)Lateral stability becomes inherently unstable
💡 Explanation
The differential spoiler deployment generates unequal drag forces on the wings, inducing rolling moments. This *yaw-roll coupling* mechanism counteracts adverse yaw because the spoiler drag reduces the yawing moment caused by aileron deflection; therefore, adverse yaw is reduced rather than amplified.
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