Isolate the defective portion of the circuit.

A. Pressurization of the pneumatic crossover manifold and use of an external air source connected to the air charging valve manifold to pressurize the reservoirs for ground maintenance is the second method.

B. You can use the second method to pressurize crossover manifold and use an external air source connected to the air charging valve manifold to pressurize the reservoirs for ground maintenance.

C. The second method is that it is not necessary to pressurize the pneumatic crossover manifold but to use an external air source connected to the air charging valve manifold to pressurize the reservoirs for ground maintenance.

A. Land navigation includes items such as DM, transponders, fluxgate compass, LORAN, VOR, ADF, etc.

B. Independent Position Determining includes items such as DME, transponders, radio compass, LORAN, VOR, DF, etc.

C. Dependent Position Determining includes items such as DME, transponders, radio compass, LORAN, VOR, ADF, etc.

A. Light L4 illuminates within 5 seconds.

B. Light L4 comes on after 5 seconds.

C. Light L4 comes on 5 seconds before.

A. 安装后不需向起动机添加滑油。但是必须提供一个新的起动机以及少量的滑油。参考飞机维护手册第12章的第二部分关于油量的要求和程序。

B. 安装后无需向起动机添加滑油。但是你必须提供一个含有少量滑油的新的起动机。参考飞机维护手册第二部分第12章关于油量的要求和程序。

C. 安装后无需给起动机加滑油。但是必须给新的起动机加入少量滑油。油量要求和程序参考飞机维护手册第二部分第12章。

A. The operational test of HFS-900D transceivers is an internal functions check of the HF transceiver and it is a BITE test.

B. The BITE test for the HFS-900D transceivers is the operation test that does the inner check of the HF transceiver.

C. The check of the internal functions of the HF transceiver is a BITE test related to HFS-900D transceivers.

A. 停在地面时，在液压系统没有增压的情况下，方向舵的正常位置是低垂位到伺服控制止挡。

B. 在地面模式，在液压系统没有增压的情况下，方向舵的正常位置是向下偏转到伺服控制止动位。

C. 在地面时，在液压系统增压的情况下，方向舵的正常位置是向下偏转到伺服控制止动位。

A. Information on specific optional systems or equipment may be included in this section or in Section 9, Supplementary.

B. Information about noncompulsory systems or equipment may be included in this section or in Section 9, Supplements.

C. Information on specific optional systems or equipment may be included in this Section or in Section 9, Supplements.

A. Recommending or requiring life limited components is on the right side of the page in an appropriate margin.

B. Recommended or required retirement time of life limited parts is on the right side of the page in an appropriate space.

C. The required retirement time of life limited components is located on the right side of an appropriate space.

A. This example shows that we were only allowed to calculate the data applicable to a Type B unit.

B. The data we are now calculating in this example apply only to Type B unit.

C. The data used for the calculations in this example apply only to a Type B unit.

A. 应有图标来显示起落架锁、舵面锁、堵头堵盖、系留点等的位置。

B. 应有图标来显示起落架锁、舵面锁、堵头和蒙布、系留点等的位置。

C. 应有图标来显示起落架锁和舵面锁，堵头堵盖，系留点位置等信息。