AIRWORTHINESS Section must set forth each mandatory replacement time, structural inspection interval, and related structural inspection procedure required for type certification.

A. Make sure that the flaps are retracted and the aileron trim handwheel is in the zero position.

B. Ensure that the flaps are partially extended and the aileron trim handwheel is centered at zero.

C. Make sure that the flaps are raised and the aileron trim handwheel is set to non-zero position.

A. A mixture of fuel and oxygen can cause an explosion.

B. Fuel and oxygen react with each other to cause explosion.

C. A mixture of fluid and oxygen can be set on fire.

A. Magnetic tools have an unwanted effect on the compass system.

B. Metallic tools are of positive effect on the compass system.

C. Magnets can affect the compass system adversely.

A. Several screws pulled out in front of right wing fuselage fairing.

B. Several screws lost in front of right wing fuselage fairing.

C. Forward of right wing body fairing has several loose screws.

A. Make sure that the position of the wing flaps is symmetrical.

B. Make sure that the wing flaps must move symmetrically at all time.

C. The wing flaps are moved to the symmetrical position.

A. 优先计算机借助于应用逻辑，将来自部件的输出参数与部件自身的可用数据进行比较。

B. 优先计算机借助于关联逻辑，将来自部件的输出参数与优先计算机自身的可用数据进行比较。

C. 优先计算机比较以下内容：来自部件的输出参数与优先计算机自身的可用数据，这个数据是借助于关联逻辑产生的。

A. 用净水清洗内表面。

B. 用温水清洗外表面。

C. 用冷水清洗外表面。

A. 他拆下入口盖板来看是否有腐蚀的管路。

B. 他移开进入面板检查生锈的管道。

C. 他拆掉了近进盖板看到了腐蚀了的管路。

A. The Design Authority is responsible for approving and changing the repair procedure.

B. Any alteration to this repair procedure must get verbal approval of the Design Authority.

C. If you change this repair procedure, get approval of the Design Authority.

A. 盘旋着陆机动指当不能或不需直线仪表进近时飞行员为使飞机对准着陆跑道所做的机动动作。在塔台管制机场，必须得到空中交通管制许可，并且建立了机场目视参照后才能做此机动。

B. 盘旋着陆机动指当不能或不需直线仪表进近时飞行员为使飞机对准着陆跑道所做的机动动作。在塔台管制机场，必须得到空中交通管制的间隔，并且建立了机场目视参照后才能做此机动。

C. 盘旋着陆机动指当不能或不需直线仪表进近时飞行员为使飞机能在着陆场矫正所做的机动动作。在塔台管制机场，必须得到空中交通管制的间隔，并且建立了机场目视参照后才能做此机动。