Trajectory Based Operations (TBO) is a key element of the operational concept of both SESAR and the US NextGen.
But what is TBO? It is definitely more than giving direct clearances and getting rid of route structures is an element, but not the essence, of Trajectory Based Operations.
We will be publishing a post on this exciting subject soon. In the meantime, why not write to us with your understanding of TBO, its perceived advantages or problems. We will strive to answer your issues as part of the forthcoming article.