Soar to New Heights with the 2026 Commercial Pilot License (CPL) Practice Exam – Ready for Takeoff!

The throttle control is a critical component in managing the engine's performance by regulating the amount of fuel and air mixture that enters the engine's cylinders. By adjusting the throttle, pilots can control the power output of the engine, which directly affects the aircraft's speed and climb rate. When the throttle is opened, more fuel and air can enter, leading to increased engine power and higher aircraft performance. Conversely, closing the throttle restricts the flow of fuel and air, which reduces engine power.

Understanding the throttle’s function in controlling the fuel/air mixture is fundamental for pilots, as it plays a significant role in both the efficiency of the engine during flight and adjusting the aircraft's performance according to varying flight conditions and scenarios. This knowledge is essential for effective engine management and overall flight safety.