Airways are the fastest, most comfortable and prestigious mode of transport in recent times. They can easily cross over geographical boundaries and vast stretches of seas and oceans. They can negotiate over difficult terrain like high mountains, dissected terrain, dreary desert, dense forests with great ease, within short period of time. Fast international travel between different countries of the world have been possible because of the development of airways. Airways play a vital role during natural and man-made calamities like floods, famines, earthquake, epidemics and war. They help in rescue operations and providing relief to the people in affected areas within short time. Two merits of airways are : (a) It is the fastest mode of transportation. Thousands of kilometres are covered within a few hours. (b) It is the most comfortable mode of transportation. A demerit of airways is : It is the costliest mode of transportation and is out of the reach of common people.