Which subcomponent of the number 2 hydraulic system boosts the control signals from pedals to reduce pilot workload?

• A. Main hydraulic pump
• B. Control valve
• C. Tail Rotor Actuator
• D. Cyclic servo

Answer: (C)

In this hydraulic system, pedals send a yaw command to control the tail rotor. The way that command becomes actual tail rotor movement with less effort from the pilot is through the tail rotor actuator. This hydraulic actuator receives pressure from the system and converts it into precise tail rotor pitch changes, providing the needed counter-torque and moving the rotor efficiently. That hydraulic amplification is what reduces the pilot’s workload, making yaw control responsive without requiring brute force from the pedals.

The main hydraulic pump simply supplies pressure to the system; the control valve directs that pressure based on pedal input, but neither by itself multiplies the signal. The cyclic servo handles cyclic inputs for the main rotor’s pitch/roll, not yaw. So the tail rotor actuator is the component that boosts and translates pedal signals into tail rotor movement.