1713.If the airplane experiences repeated failures of a pump at one location,there may be debris in the case drain line,case drain hose or case drain hose quick-disconnect that cannot be flushed by accomplishing this procedure.

A. The Index Numbering System is described in the following paragraph.

B. The Index Numbering System is introduced in the next paragraph.

C. The Index Numbering System is compared in the later paragraph.

A. 检查单还可能包含与飞机操作相关的补充信息,如性能数据、可选设备操作等,飞行员可能会经常使用。

B. 检查单还可包含飞行员可能会经常使用的与飞机运行相关的补充信息,如性能数据、选装设备的操作等。

C. 检查单还可能包含与飞机操作相关的补充信息,如绩效数据、备用设备操作等,飞行员可能会经常使用。

A. When described the aircraft and its system,you should always use third people talking.

B. Generally,in describing the airplane or its system,third person wording should be used.

C. When you describing the airplane systems,third person mood shall be used.

A. Manufacturers would like to reserve and exercise the right to make reasonable judgments about the depth and scope of the contents of their publications.

B. Manufacturers are requested to reserve and exercise the right to judge contents of their publications of reasonable depth and scope.

C. Manufacturers are required to reserve the right of sound judgment on the contents of their publications by the bureau.

A. This section of the pilot's manual should clearly and confusedly provide recommended procedures for conducting normal operations.

B. The recommended procedures for conducting normal operations shall be described in this Section of the Pilot's Operating Handbook clearly and accurately.

C. The recommended procedures shall be stated in this Section of the Pilot's Operating Handbook clearly and fuzzily for the conduct of normal operations.

A. In order to locate lower margins of safety components and areas,current records were reviewed.

B. To find components and areas where have showed lower margins of safety,existing results were examined.

C. Existing analyses were reviewed to identify components and areas that may have exhibited lower margins of safety.

A. The power source that are discussed respectively under the appropriate chapter heading shall provide power to at least two systems.

B. When two or more systems are served by a single power source,that power source will be discussed separately under the appropriate chapter heading.

C. The system that is powered by two or more power sources shall be discussed separately under the appropriate chapter heading.

A. 警告铃声和喇叭将开始响起,然后再次停止。

B. 警示铃声和喇叭将会停止启动,然后再次响起。

C. 先开启警告铃声和麦克风,然后再停止使用。

A. 该子系统包括测距机,收发机,无线电高度表,基于性能的导航,甚高频全向信标,自动定向仪等部件。

B. 该子系统包括测距机,应答机,无线电罗盘,远距离无线电导航系统,甚高频全向信标,自动定向仪等部件。

C. 该子系统包括测距机,发射机,无线电罗盘,区域导航,指点信标,自动定向仪等部件。

D. C.该子系统包括测距机,发射机,无线电罗盘,区域导航,指点信标,自动定向仪等部件。

A. 引擎多的飞机改出螺旋程序可由代理商分别编写。

B. 多发飞机的改出螺旋程序可由制造商选择。

C. 多台发动机的改出螺旋程序可以包含在飞机制造商的操作手册中。