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Which risk increases when sensor noise impairs yaw damper authority in a jet aircraft?

A)Fuel tank structural deformation
B)Pilot induced oscillation onset
C)Engine compressor stall margin
D)Hydraulic servo runaway threshold

💡 Explanation

Pilot induced oscillation (PIO) risk increases because, with impaired yaw damper authority, pilot corrections may amplify, triggering oscillations driven by the controls. The **feedback loop instability** occurs rather than structural damage because servo actuators respond quickly; therefore PIO increases, rather than fuel tank deformation.

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