It helps the plane take off.

It keeps the plane steady and helps it fly straight.

It increases the speed of the plane.

It reduces the noise of the plane.

To increase the speed of the airplane

To help steer the nose of the plane left or right

To control the altitude of the airplane

To stabilize the wings during flight

It helps the plane move forward.

It keeps the plane stable up and down.

It controls the speed of the plane.

It helps the plane turn left and right.

To control the plane's speed

To make the plane's nose point up or down

To stabilize the plane during turns

To increase the plane's altitude

To help the plane roll from side to side

To increase the speed of the plane

To stabilize the plane during landing

To control the altitude of the plane