1391.Spin recovery procedures for multi-engine airplanes may be included at the option of the manufacturer.

A. Additional information may follow the check list to make the check list easier for the pilots to understand it.

B. The additional information should be followed by the pilots to make better understanding the check list.

C. The additional information is followed the check list,to make the pilots better understanding the check list the pilots should read it in sequence.

A. All essential or alternating equipment installed on a particular plane when provided shall be in the equipment list.

B. The equipment list shall include all necessary or alternative equipment installed on a particular aircraft when delayed.

C. The equipment list shall contain all required or optional equipment installed in the particular airplane when delivered.

A. 如图 4 所示,测量凹坑的深度。

B. 如图 4 所示,检查凹坑的尺寸。

C. 如图 4 所示,测量磨损的厚度。

A. This Specification is designed to provide guidance for the development of Handbooks for all types of general aviation airplanes.These airplanes are originally certificated at minimum takeoff weights of 12,500 pounds or more.

B. This specification is intended to provide guidance for the development of Handbooks for all types of general aviation aircraft,which are initially certificated at maximum takeoff weights of 12,500 pounds or less.

C. This specification is intended to provide guidance for the preparation of Handbooks.For all types of general aviation aircraft,their maximum take-off weight is more than 12,500 pounds.

A. This procedure is only applicable to type A parts.

B. This task is only used for type A parts.

C. This procedure is applicable to all type parts.

A. 前面的每本手册都应该提供有效页清单。

B. 每本手册的前边都要提供有效页清单。

C. 页码有效性应该列在每本手册的前言里。

A. 将测试结果写在正确的表格里。

B. 将操作结果写在正确的表格里。

C. 将校准结果写在校正表上。

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. 风扇为带有整体式感应电动机的单级风扇,每个风扇各有一个单向活门并作为一个组件安装。

B. 风扇作为单级风扇和整体电动机各有一个单向活门并作为一个组件安装。

C. 风扇是单级风扇,整体传动电动机,电机各自有一个单向活门并作为一个组件安装。

A. 移动装有隔热毯的喷射管或排气锥时要小心。

B. 当你移动喷气式管道或带有绝缘垫的排气孔时要小心。

C. 小心地移动发射管或排气口的保温垫。