判断正误：在地面上时，如果 APU 的转速超过 5%，或者空中飞行时，APU 转速超过 10%，那么 ECU 将抑制起动过程。True or False: If the APU is rotating above 5% RPM (on ground) or windmilling above 10% (in-flight) the ECU will inhibit start.

执行目视盘旋进近时，整个机动飞行过程中，不得超出目视盘旋进近的障碍物保护区。No obstacle protection area shall be exceeded during the entire maneuvering flight in the visual circling approach

当在结冰条件下或结冰探测系统显示ICE（结冰）信号时，发动机整流罩防冰系统必须在ON 位。The engine cowl anti-ice system must be on when in icing conditions or when ICE is annunciated by the ice detection system.

如果对飞机能否安全着陆有怀疑，或在目视盘旋的同时失去了目视参考物，则应执行复飞程序。If there is a doubt as to whether the aircraft can land safely, or if visual reference is lost while visually circling, a missed approach procedure should be performed.

着陆前PF发口令：打铃，放轮，襟翼30。PM的动作有哪些？ Before landing the PF commands: "Ring, gear down, flaps 30”. What actions should the PM do?

稳定进近包含哪些要素？What elements does a stable approach include?

执行目视盘旋进近时，当目视盘旋到达MDA（最低下降高度）高度截获时，调定（ ）。When performing a visual circling, upon reaching the MDA (minimum descent altitude) and the altitude being captured, set the ( ).

执行盘旋进近时，在（ ）点前起落架放下，襟翼 30°。When performing a circling approach, the landing gear shall be extended and flaps shall be set to 30°prior to the ( ).

正常情况下，起落航线高度为 ( ) 米。Under normal circumstances, the altitude of the traffic pattern is ( ) meters.

执行标准目视进近，完成着陆前检查单，自动驾驶不得低于（）尺脱开。To implement a standard visual approach, complete the before-landing checklist, and autopilot must be disengaged not less than ( ) feet.

执行标准目视进近，飞机（襟翼45放出)机动飞行中，为防止机动失速，四转弯速度不得小于（）速度？
To implement a standard visual approach, in order to prevent maneuvering stall, the speed for the fourth turn should not be less than ( ) during maneuvering of the aircraft (flaps 45 deployed)?