A flight director in aviation is like a helper that tells the airplane's pilots which way to go and how to get there. Imagine you're driving on a road trip, and you have a map that tells you which roads to take and where to turn. That's kind of like what a flight director does for the pilots, but it's a super fancy computer system that's way more complicated.
The flight director gets its directions from the airplane's autopilot system, which is like a robot that helps fly the plane. The autopilot tells the flight director which way the plane should be going and how fast it should be going. Then, the flight director shows the pilots how to make those changes.
For example, if the autopilot says that the plane needs to be going up and to the right, the flight director will show a little arrow on a screen that tells the pilots to move the controls in that direction. The pilots then follow those directions and make the necessary adjustments to the plane's direction and speed.
The flight director also helps the pilots with other important information, like how high the airplane should be flying, how fast it should be going, and how to approach the runway for landing. It's like a really smart helper that makes it easier for the pilots to fly the plane safely and smoothly.
So, in summary, a flight director is a computer system that helps airplane pilots know which way to go and how to get there, using information from the airplane's autopilot system. It's like a fancy map that tells pilots how to fly safely and efficiently.