Though partially funded by NASA, it is still a private site. Therefore, before you download materials for use on your websites, you need to ask permission. Uses Of Airplanes - Level 1 Practically everyone has been touched in some way by aviation.
Aviation includes all flying done by general aviation, the military and the airlines.
Commercial airlines serve about 450 of the nation's 14,000 airports. Meanwhile general aviation airplanes service all 14,000 airports, making it a vital link in the air transportation system. General aviation airplanes have many different uses including business, air taxi, rental, commuter operations, personal transportation, sport flying, flight instruction, air ambulance and agricultural. Commercial aviation refers to the airlines, military to the Army, Navy, and the Air Force. General aviation is all flying outside the military and the airlines.