Power Throttle

Your aircraft needs Power to take off, sustain flight, and land. Power ranges from 0 to 40. It has an engine icon next to the number, on a bar. To increase the power, slide the icon up, to decrease, slide the icon down. It is located on the left side of the screen, next to the airspeed indicator and the pitch indicator. There are three stages, off, normal, and max. It takes some time to go up and down, after sliding the bar up or down, the power will gradually increase to the selected level.

Aircraft
This list shows the power levels of each aircraft.

Turboprop Aircraft

Idle: 12

Max: 25

Jet Aircraft

Idle: 20

Max: 40

Jumbo Aircraft

Idle: 16

Max: 32

Trivia

 * The icon for the power level used to be a plane.