本规范涉及FAA的各项规定。

A. Record the results if the frequency changes.

B. Alter the phase and record the results.

C. Change the frequency and record the results.

A. Before restarting the engine, make sure to clear the ground from any fuel spills.

B. Remove all spilled fuel from the ground before making the first attempt to start the engine.

C. Ensure that no fuel on the ground is eliminated before proceeding with engine startup.

A. 数据应以标准日（ISA）的时间、燃料和从海平面爬升的距离与海拔高度的关系来表示。

B. 数据应能够呈现标准日（ISA）的时间、燃料和从海平面爬升的距离与海拔高度的关系。

C. 数据应显示国际标准大气(ISA)条件下飞机从海平面爬升到某高度所需的时间、燃油消耗量和水平距离。

A. 拆卸组件之前，先将系统泄压。

B. 在断开导线之前，给系统放气体。

C. 在断开部件之前，请确保完全停止供气。

A. 数据应该被显示为仪表空速和指示空速来保证零误差。

B. 数据应作为标定空速呈现，而不是零机械误差的仪表空速。

C. 假定仪表误差为零，数据应以校正空速和指示空速显示。

A. 衬板的厚度应该是初始翼梁衬垫的厚度的1-1.2倍。

B. 加强条的厚度乘以1-1.2就得到初始长桁衬垫的厚度。

C. 压条的厚度应是初始长桁衬垫的厚度的1-1.2倍。

A. The external diameter must be concentric to the internal diameter.

B. The outer radius and the inner radius must be suitable.

C. The exterior radius must be installed on a common shaft with the interior radius.

A. The horizontal bar goes out of view.

B. The vertical bar goes out of view.

C. The horizontal bar disappears suddenly.

A. Manuals for all single engine aircraft, except those that have been shown to be "critically unable to stall", should have procedures for recovering from a stall.

B. Handbooks for all single engine airplanes, other than for those airplanes which have been shown to be "characteristically incapable of spinning" shall contain procedures for recovery from spins.

C. Manuals for single engine aircraft, otherwise these that have been proved to be "featured unable to spin", should include steps for recovering from a spiral.

A. 在可能的情况下，例子、相关条件和 技巧应与图表的同一页呈现。如果没有足够的空间包括必要的信息，那么应该使用图表对面的那一页呈现。

B. 如可能，示例、相关条件和技术应与表格显示在同一页面上。空间不够时，可续页。

C. 如可能，示例、相关条件和技巧应与图表放置在同一页面内。空间不够时，可显示在正对图表的那一页。