(i) Air transport is the fastest means of transportation but it is very costly. It plays an important role in international trade.
(ii) Valuable cargo can be moved rapidly on a worldwide scale. It is the only means to reach inaccessible areas. Air transport has brought about a connectivity revolution in the world.
(iii) The frictions created by mountainous snow fields or inhospitable desert terrains have been overcome and the accessibility has increased. The aeroplane brings varied articles to the Eskimos in Northern Canada.
(iv) Travel by air can now be measured by hours. Frequent air services are available to many parts of the world. United Kingdom pioneered the use of commercial jet transport.
(v) Today more than 250 commercial airlines offer regular services to different parts of the world.