Minimum Operational Network - The Future of VOR

Much is being written about the fate of the 896 VORs that have populated the continental US since the mid-last century. Since the introduction of satellite navigation, it has become apparent that VORs have become obsolete and are destined for the chopping block. If you’ve been nodding your head in agreement so far, you’re in for a surprise.

In the field of aviation, the inherent limitations of VOR navigation are well known. With the introduction of RNAV, the ability to fly DRCT-TO is a huge advantage, not to mention the ability to do so without signal loss. As more efficient performance-based...