General Authority of Civil Aviation (GACA) Aeronautical Information Publication (AIP) Practice Exam

What is the purpose of the control wheel to rudder cross-tie?

1. To manage engine failure effects

2. To reduce turbulence

3. To enhance climb rate

4. To stabilize descent

The correct answer is: To manage engine failure effects

The control wheel to rudder cross-tie serves a critical purpose in the overall handling of an aircraft, particularly in the context of managing the adverse effects of engine failure. When an aircraft experiences engine failure, especially in multi-engine configurations, the ability to maintain control is paramount. The cross-tie mechanism allows the pilot to counteract yaw—an unwanted side-to-side movement—created by the loss of thrust from the affected engine. By coordinating the use of the control wheel with the rudder, the pilot can effectively apply opposite rudder input to stabilize the aircraft and maintain straight flight, thus enabling the crew to manage the situation safely until they can execute procedures for an emergency landing or return to normal operations. This understanding highlights the importance of effective control throughout various flight regimes, especially during critical moments such as engine failure, showcasing the design's role in enhancing pilot control and safety. While the other options mention features like turbulence reduction, climb rate enhancement, or descent stabilization, they do not specifically align with the primary function of the control wheel to rudder cross-tie, which is fundamentally about managing control during asymmetric thrust conditions.