This document summarizes how airplanes fly through explaining key concepts and technologies. It first discusses the history of flight and early attempts by the Wright Brothers in 1903. It then explains airfoil technology and how lift is generated based on Newton's 3rd law of motion. The document outlines the key parts of an airplane that enable takeoff, landing, and controlling flight paths, including ailerons, rudders, and elevators. It poses questions about how airplanes ascend, descend, and change direction during flight. Finally, it briefly discusses the landing scenario and invites questions from readers.