Tom flies in a straight line to return to เทีบบ during the flight when there are undulations, the wind blows with aviation wind blows throughout the journey to the departure path direction.
Tom flew straight back. For comparison's attractions during the flight when the wind blows on the fly with the wind blowing from the constant travel. The next leg of the route
Tom flew straight to the back. To compare a system during the flight when the wind to fly with the wind not constant throughout the trip flight. The route direction of a leg.