Which risk increases when a helicopter's SAS (Stability Augmentation System) malfunctions?

💡 Explanation

Loss of SAS increases pilot workload, potentially leading to pilot-induced oscillation (PIO) through negative feedback. `Rate dampening` fails, magnifying control inputs, because SAS directly counteracts deviations; therefore PIO risk increases, rather than stability, or changes in engine function.

• Which detrimental outcome occurs in a hydraulic actuator when rapid valve closure creates low-pressure zones?
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