Aeroplanes
An airplane or aeroplane (informally plane ) is a powered , fixed-wing aircraft that is propelled forward by thrust from a jet engine , propeller or rocket engine . Airplanes come in a variety of sizes, shapes, and wing configurations . The broad spectrum of uses for airplanes includes recreation , transportation of goods and people, military , and research. Worldwide, commercial aviation transports more than four billion passengers annually on airliners [1] and transports more than 200 billion tonne - kilometers [2] of cargo annually, which is less than 1% of the world's cargo movement. [3] Most airplanes are flown by a pilot on board the aircraft, but some are designed to be remotely or computer-controlled such as drones. North American P-51 Mustang , a World War II fighter aircraft The first flight of an ai...