词汇与结构 The ailerons provide roll control around the airplane’s _________ axis. The ailerons are positioned by pilots’ control wheels.

词汇与结构 If the ailerons or spoilers are _________, force applied to the Captain’s and the First Officer’s control wheels will identify which system, ailerons or spoilers, is usable.

Roll control is provided by the ailerons about the airplane’s vertical axis from nose to tail.

词汇与结构 The roll control surfaces consist of hydraulically powered ailerons and flight spoilers which are controlled by _________ either control wheel.

词汇与结构 This will position our ailerons properly to _______ for the wind. The left aileron is in the up position while the right aileron is in the down position.

词汇与结构 Just as we reach liftoff speed, apply very slight backpressure on the control stick and move the ailerons to a ______ position.

Just as we reach liftoff speed, apply very slight backpressure on the control stick and move the ailerons to a____position. A: neutral B: up C: down D: takeoff

The primary flight control system uses conventional control wheel, column and pedals linked mechanically to hydraulic power control units which command the primary flight control surfaces, ailerons, elevators, and _________.