Ingo K?hne wrote:
I am not a real pilot, just interested in aviation and simulation. My
question is if the GPS with all its accuracy and worldwide
availability will soon replace all other navaids for IFR. So a little
provocative: who needs VORs and NDBs anymore?

You cannot solely rely on a single navigation aid system, in particular if
it is controlled by the military.
Therefore there will always be some form of terrestial navigation aid as a
backup system.

jue