1.   Operations should be run by a highly centralized unitary body which would provide services on the trunk routes of the world.

2.   Its high-speed benefits are therefore likely to be restricted to trunk routes.

3.   By cooperating with Lufthansa, Cheong said it will strengthen the Singapore-Frankfurt route as the premier trunk route between Europe and South-East Asia.

4.   The Siberian route from Japan is a major trunk route for flights, particularly since the advent of the Kansai International Airport in Osaka in September.