Circle-to-land maneuver is the maneuver made by the pilot to align the aircraft with the landing runway when a linear instrument approach is not possible or required. At tower control airports, air traffic control clearance must be obtained and a visual reference of the airport must be established before such maneuvers can be performed.

A. 从计算机的前部断开钢索。

B. 从计算机的前部边缘安装数据线。

C. 从计算机的后部安装电缆。

A. 飞机系统以及受使用寿命限制的部分的特殊监测间隔可在本段中涵盖，或可参考包含此类监测间隔的另一节或其他文件。

B. 本段可涵盖飞机系统以及时寿件的特殊检查间隔，或可指向其他节或其他文件中包含的此类检查间隔。

C. 本段可覆盖飞机系统以及有寿命极限的零件的特殊检查区间，或通过参考此类检查区间的另一节或其他文件内容。

A. 除重量和平衡舱单外，制造商还可提供用于计算重量和平衡的装置，并提供使用说明。

B. 除重量平衡装载表外，制造商还可提供重量平衡的计算设备，并提供使用说明。

C. 制造商可提供用于计算配重和配平的装置，来补充配重和配平装载表，并提供使用说明。

A. 编号应成数字级数排列，以章节号为前缀。

B. 编号应冠以章节号，按数字顺序排列。

C. 以章节号开头，数字大小排列。

A. A maximum distance of 50 feet is required between consumable materials and the work area.

B. Keep flammable materials at a minimum distance of 50 feet from the work area.

C. Explosive materials must be kept at least 50 feet away from the work area.

A. Many electrical power components are in the EE compartment.

B. Many electrical power components are in the cargo compartment.

C. Many electrical power components are in the APU compartment.

A. 系统接口电路适配已连接系统的物理特征。

B. 系统的电路跳开关符合连接系统的物理特性。

C. 系统电路的物理特点与所连接系统相匹配。

A. The purpose of the Strategic Action Plan is to perform beyond the scope of the convention to ensure that ICAO deals with the challenges for civil aviation in the new era and meets the requirements of all its Member States.

B. The Strategic Action Plan is designed to work within the framework of the convention to ensure that ICAO responds to the major challenges for civil aviation in the coming years and meets the need of all its Member States.

C. The aim of the Strategic Action Plan is to implement within the scope of the convention to make sure that ICAO flinches from challenges for civil aviation in the coming era and meets the requirements of its Member States.

A. 将来提到此组件可以用缩写。

B. 将来对单元的引用可以使用缩写。

C. 后面可以参考组件的缩写。

A. A certificated pilot who owns or operates an airplane not used as an air carrier is authorized by FAR Part 43 to perform limited preventive maintenance on his airplane.

B. A certificated pilot who owns or operates an airplane that is not airworthy can perform limited predictive maintenance on his airplane authorized by FAR Part 43.

C. A licensed pilot authorized by FAR Part 43 who owns or operates an airplane not used to operate can perform time-limited maintenance on his airplane.