Plain English Meaning

It is the panel of buttons or switches the pilot uses to tell the flight director what to do — for example, follow a heading, track a navigation course, or capture an altitude.

Full Definition

The control panel on a flight director system used by the pilot to select which guidance mode the system will follow, such as heading, navigation, approach, or altitude hold. The mode selector tells the flight director what kind of flight path to compute and display on the command bars of the attitude indicator.

Context Anchor

Seen on the flight director or autopilot control panel when setting up guidance before or during .