This free app provides an easy-to-use way to calculate how far down the plane should begin to make an altitude change. This is very useful for calculating the point at which you should begin the descent. It is a simple tool that calculates the descent distance in kilometers or miles, depending on your location.

The app calculates the change in altitude by using the current speed of the aircraft, the speed at which you are descending, and the time it takes to fly the distance. This calculation is based on the speed of the aircraft and the time that it takes to fly the distance. The app uses the current position of the aircraft and the time that it is at your current position.

The app provides an altitude in feet or meters. It is very easy to use and provides a result in seconds or minutes.

The app is free and does not need any special permissions.