The skill or practice of operating aircraft and aircraft manufacture is called aviation. Aviation includes non-scheduled civil flying both private and commercial. Thus, aviation includes business class flights, air charter, private aviation, hang gliding, ballooning, parachuting air ambulance, crop dusting, traffic reporting, police air patrol etc. The credit for the invention of aircrafts is been given to the Wright brothers. Aviation industry is one of the fastest growing industries in the world. With private air lines accounting for more than 75% of the sector of the domestic aviation market. Earlier air travel was a privilege and only few people could afford, but today air travel has become cheaper and can afforded by large number of travelers. Aviation can be divided in to military aviation, air transport.