词汇与结构The rudder provides yaw control about the airplane’s _________ axis.
A. opposite
B. lateral
C. longitudinal
D. vertical
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词汇与结构The flight controls are powered by redundant hydraulic sources: system A and system B. _________ hydraulic system can operate all primary flight controls.
A. Either
B. Any
C. Another
D. Both
词汇与结构If the aileron control system is jammed, force applied to the First Officer’s control wheel provides roll control from the spoilers. The ailerons and the Captain’s control wheel are _________.
A. functional
B. inoperative
C. available
D. manageable
词汇与结构The aircraft take advantage of aerodynamic _________ to travel through the air by means of primary and secondary flight control surfaces which are operated by flight controls in the cockpit.
A. loads
B. sources
C. abilities
D. forces
词汇与结构Flap 15 is normally limited to airports _________ approach climb performance is a factor.
A. where
B. when
C. which
D. that