Air transport is the movement of people and goods through the air, usually via aircraft. The term 'air transport' can refer to both commercial and private aviation. One of the most common forms of air transport is FLIGHT, which is the use of an aircraft to travel from one place to another. FLIGHT is typically powered by jet engines and is used for both passenger and cargo transportation. Air transport is a vital part of the global economy, allowing for the quick and efficient movement of goods and people around the world.