1658.For airplanes certificated after January 1,1985,regardless of certification basis,the speed(s) at the 50 foot obstacle may not be less than 20% above the power-off stall speed for the same airplane configuration.

A. If no tabs are used,an identification method should be supplied to facilitate the location of each system or section.

B. If tab dividers are not used,a method of identification shall be provided to permit easy location of each System or Chapter.

C. An identification way should be offered to locate the system and chapter easily if the dividers are improper.

A. System test is normally used at minor maintenance time.

B. System test is usually done during maintenance and repairs.

C. System test is normally used at major maintenance periods.

A. 只有主要的变更高高挂起来了。

B. 仅突出显示了主要的变更。

C. 只显示了大部分的变更。

A. The user of the schematic diagram is the pilot.

B. The captain must use the schematic diagram.

C. The principle scheme should be used by the co-pilot.

A. Do a hardness test for turning tool.

B. Conduct a hardness test for the carbide insert.

C. Take a hardness test for the chuck.

A. A Weight and Moment Limit diagram shall be used to describe the c.g.limits.

B. The maximum weight moment envelope diagram should be used to describe the c.g.limit of the aircraft.

C. A Weight and Moment Limit diagram shall be used to describe the maximum c.g.limit.

A. 仅 B747 刚引进时期,每个月就有 4000 页必须从手册中删减或增加进手册。

B. 在 B747 引进时期,仅每个月必须替换或增补的手册就有 4000 页以上。

C. 在 B747 刚引进的阶段,仅一个月就需要更换或增加约 4000 页到手册中。

A. 断开刹车系统,操纵手摇泵手柄通过全行程。

B. 给刹车系统排气,然后全行程操纵手摇泵的手柄。

C. 全行程操纵手摇泵的手柄给刹车系统放气。

A. The AFDSmonitorsthree separate autopilot channels and a single Mode Control Panel(MCP)

B. The AFDSconstitutes three separate autopilot channels and a single Mode Control Panel(MCP)

C. The AFDS contains three separate autopilot channels and a single Mode Control Panel(MCP)

A. 基本上,它是以对飞行员最有用的形式来呈现已被证明的概念的行业标准化指南。

B. 基本上,它是一个指导行业标准化的证明概念,以一种最有用的形式提供给飞行员。

C. 基本上,它是一个证明行业标准化概念的指南,并提供一种对飞行员最有利的形式。