People often call in, asking about some of the more advanced things that pilots do all the time: how to navigate, how to use the autopilot, and how to fly on instruments.

• 很多人常常打电话来，询问关于一些飞行员要做的一些比较高级的操作：如何导航，如何使用自动驾驶，如何进行仪表飞行。