The vertical stabilizer is installed on the top of the fuselage tail section.

A. Functional check L VHF radio found statis interference and noise.

B. Functional check of L VHF radio shown turbulence and static noise.

C. Functional check of L VHF radio revealed interference of static with noise.

A. 在每个章节的开始都是系统及其操作的描述，以“描述及操作”为标题贴上标签。如果与其它系统有交联，应该则另外进行解释。

B. 每个章节都要以一个概要介绍本系统做为开始，并且其操作和将要对操作进行的描述要进行标注。如果其中有关联，要增加解释。

C. 每一章或节都以系统及其操作的一般概述开始，并以“概述和操作”为标题。如果与其他系统之间存在相互关系，则应加以解释。

A. Make sure that the oil in the hydraulic tank is above the minimum lever.

B. Make sure that the fluid in the hydraulic reservoir is above the minimum level.

C. Make sure that the fluid in the fuel reservoir is below the maximum level.

A. 为避免不必要的磨损，将表面涂漆。

B. 为避免不必要的颗粒，将表面清洁。

C. 为避免不必要的摩擦，将表面抛光。

A. The power required to run an engine, in flight, at the lowest speed that will ensure satisfactory engine operation and airplane handling system.

B. The power required to run an engine, in flight, at the lowest speed that will ensure satisfactory engine operation and airplane handling characteristics.

C. The power required to run an engine, in flight, at the lowest speed that will ensure correct engine operation and airplane handling characteristics.

A. Do not open the container if you are instructed that high pressure is dangerous.

B. If it states on the container that the pressure inside is high, do not open it.

C. If the instructions give a warning about dangerous pressure, do not open the container.

A. AMM 的第 12章第10节是关于补给的。它提供了添加燃油、滑油、液压油、水、其他液体和轮胎充气等所需的说明。

B. AMM 的第 12章第10节是关于补液的。它提供了补给燃油、滑油、液压油、水、其他液体和轮胎压力等所需的说明。

C. AMM 的第 12章第10节是关于补液的。它提供了补给液压油、滑油、燃油、水、其他液体和轮胎压力等所需的说明。

A. 用湿布清洁后排座椅上的松散污渍。

B. 清除座椅上的污垢后用湿布擦拭。

C. 用湿布清除座椅上的所有松散污垢。

A. 放目录页的桌子必须标识日期但是无需编号。

B. 目录页必须写日期但是不用写数量。

C. 目录页必须注明日期，但无需编号。

A. If the failure takes place occasionally, the system need to be tested.

B. If there is a failure that seldom take place, do a system test.

C. If the failure occurs frequently, do a system test.