However, a pilot can only choose to fly IFR if they possess an instrument rating which is above and beyond the basic pilot's license that must also be held.

然而，如果飞行员持有的仪器等级在其必须持有的基本的飞行员执照等级之上，那么飞行员只能选择仪表飞行规则。

Multi-engine Command Instrument Rating (CIR).

多引擎飞机飞航仪表操控训练。

The flight instructor Instrument rating is also important to students interested in preparing for employment as a flight instructor.

对于想要成为一名飞机教官的学员而言，飞行教官仪表等级是非常重要的。

The Instrument Rating gives the ability to control the aircraft without reference to the ground or horizon, using flight and navigation instruments.

仪表等级赋予飞行员控制飞机的能力，而不用参考地面或地平线，只使用飞行和导航仪表。