ATR General Familiarization Practice Test

Primary flight controls are manually operated by which mechanism?

Mechanical linkages such as cables, rods, pulleys Electronic actuators Hydraulic pistons Pneumatic tubes

Correct Answer:

Mechanical linkages such as cables, rods, pulleys

Explanation:

Primary flight controls that are manually operated rely on direct physical connections between the pilot’s controls and the control surfaces. This is achieved with mechanical linkages—cables, push-pull rods, and pulleys. When you move the stick or yoke, these linkages transmit that motion straight to the ailerons, elevators, and rudder, giving a direct and predictable control feel. Hydraulic pistons, pneumatic tubes, and electronic actuators are power-enabled ways to move surfaces, but they aren’t the mechanism by which manual input is transmitted. They can assist or replace the direct linkage in many aircraft, but the act of manual input is communicated through the mechanical linkages.

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